Learn about and revise rounding and estimating numbers and how to count significant figures with BBC Bitesize KS3 Maths. Corbett Maths with a video showing you the most common algebraic proof techniques that you are likely to need to use in your Maths GCSE. << /Type /Page /Parent 3 0 R /Resources 6 0 R /Contents 4 0 R /MediaBox [0 0 612 792] Back to Top. : Math & Physics Lessons. The Corbettmaths video tutorial on Sensible Estimates. These videos are made by Corbett Maths. DOU J ebeuq '00 Oua ou ous dnse'!ou. Lower and Upper Bounds Revision Videos. Estimation: Worksheets with Answers. Information Estimation Name: _____ Instructions • Use black ink or ball-point pen. 5-a-day GCSE 9-1; 5-a-day Primary; 5-a-day Further Maths; 5-a-day GCSE A*-G; 5-a-day Core 1; More. These videos are made by Corbett Maths. Estimation Textbook Exercise Click here for … !In Sunderland, 1200 houses were bought in 2014 under the scheme. Rounding Video 56 Questions Answers. come with answers. 2.4K 46.7%. Skip to content. Convert between ordinary numbers and standard form. May 23, 2019 May 23, 2019 Lisa Corbett. This web site contains over a thousand free mathematical activities for teachers and pupils. Compound Measures Revision Videos. 4.!A scheme has been introduced to encourage younger people to buy houses. Video source. !Show clearly how you obtained your answer. Videos, Practice Questions and Textbook Exercises on every Secondary Maths topic. come with answers. Contents. {MF5\o�`����O��3�8�g��/� � << /ProcSet [ /PDF /ImageB /ImageC /ImageI ] /ColorSpace << /Cs1 7 0 R >> Tag: estimation math, Number Sense & Numeration, Number Talks, Problem Solving. endobj �ß�Ƽ�}���6����5�AECOc�8k��!�����*�g�W���b�.�ȬF�L�bkH)X�f8�l!|�d6ⲺC!��/PLG�G�Kbgu8�v��dخE[��%�2�.�R!�'�WPN���T�!�}�R�*����V�B\�cE^�^#Z�@��G�Wc�� � Menu Skip to content. 8 0 obj Pagination. Menu Skip to content. Owen Sheers: 'Winter Swans' Grade 9 Analysis. #corbettmaths | 3933 people have watched this. CAREERS IN LITERATURE – B.A,M.A,Diploma,Lecturer jobs, PG, P.hD,Recruiters,Distance Learning. Perimeter - Corbettmaths. Videos, worksheets, 5-a-day and much more. Estimation Textbook Exercise. The OR Rule - (Corbettmaths) Print page. Whether you want a homework, some cover work, or a lovely bit of extra practise, this is the place for you. Surface area of an L-shaped prism - Corbettmaths. Simultaneous equations are where we work with two algebreic equations to solve unknowm variables. Estimation is a useful tool for finding approximate answers to math equations. Corbett maths Delivery Time 20 < t, 30 30 t £ 40 40 < t 50 Frequency 10 14 Donation 100 Frequency 44 Salary o < 15000 Frequency Mid oint 7500 22500 37500 52500 67500 15000 337500 2250000 105000 135000 2842500 2842500 15000 s 30000 30000 < s 45000 45000 s 60000 60000 < s 100000 Mean salary = 5 £568500 Estimating calculations. Adding in standard form. 5-a-day GCSE 9-1; 5-a-day Primary; 5-a-day Further Maths ; 5-a-day GCSE A*-G; 5-a-day Core 1; More. • Answer all Questions. Both players should estimate the size of each of the six angles. If you keep your work in an ePortfolio you could take a screen shot of your answers and paste that into your Maths file. �oX,6_�*g|6-o ��JQ�'�v�� ���#��-�H*��G"�t:��Š���f"n��N1��%�����y9��7�T���w� �q§(K>��F�r�P�&����6�-O$]��sʑ�kj��SfQ�l���H���f�8��j� _^9,����s���J��_�Q��[I��œR�^��HO��zZN�=�U��Q���V ^>�X�)��Z)9���L6r[-�`�PSQ�5� 0� Estimation Textbook … Video number 366 389 392 298 Two shops sell the same type of perfume. 111 Rounding: to whole numbers Video 276 Rounding: to nearest 10 Video 277a Rounding: to nearest 100 Video 277b Maths Genie keyboard_arrow_up estimation – Corbettmaths estimation, estimating. stream 6.!Estimate the total cost of 31 televisions at £196.50 each and 19 DVD players!at £50.99 each. Search for: Primary Study Cards. Corbett Maths; Maths Genie; Hegarty Maths; Other Videos; Corbett Maths keyboard_arrow_up. • Diagrams are NOT accurately drawn, unless otherwise indicated. Posts about estimation written by Lisa Corbett. Bssq escu dnseJ!ou csksW11À Ron Back to Top. Menu Skip to content. Estimation: Worksheets with Answers. education Rank. Worksheet Name 1 2 3; Grouped Frequency Table – Averages : 1: 2: 3: Corbett Maths keyboard_arrow_up. Video category. Volume of an L-Shape Prism - Corbettmaths. What is Daisy’s test score? Question Topic Video number 1 Cube Numbers and Cube Roots 212, 214 2 HCF 218, 219 3 Angles in a Triangle 37 4 Angles in a Quadrilateral 33 5 Symmetry 316, 317 6 Translations 325, 326 7 Nets 4 8 Two-way Tables 319 9 Mode, Median, Range, Mean 56, 50, 53, 57 10 Measuring Angles 31 11 Prime numbers 225 12 Square numbers and Square roots 226, 228 13 Product of primes 223 14 Fractions of Amounts … Menu. 5-a-day Answers ; Blog; Videos; Worksheet … 5-a-day GCSE 9-1; 5-a-day Primary; 5-a-day Further Maths; 5-a-day GCSE A*-G; 5-a-day Core 1; More. Question 2: A square has an area of 225cm². Work out the perimeter of the square. Part of. One Light Year Equals How Many Miles in Scientific Notation? Visit his excellent website for more videos, textbook exercises, exam questions, 5-a-day, and more!. Angles: Estimation Video 29 on www.corbettmaths.com Question 1: Estimate the size of each of these angles (a) (b) (c) (d) (e) (f) (g) (h) (i) (j) (k) (l) Question 2: Measure the angles accurately and compare your estimation to the actual size of each angle With a partner, draw 3 angles each. ..... (1) 2. 2D shapes: names   Video 1      Practice Questions    Textbook Exercise, 2D shapes: quadrilaterals   Video 2      Practice Questions    Textbook Exercise, 3D shapes: names   Video 3      Practice Questions    Textbook Exercise, 3D shapes: nets    Video 4      Practice Questions    Textbook Exercise, 3D shapes: vertices, edges, faces   Video 5    Practice Questions    Textbook Exercise, Addition: column method   Video 6      Practice Questions      Textbook Exercise, Algebra: changing the subject    Video 7      Practice Questions    Textbook Exercise, Algebra: changing the subject advanced    Video 8     Practice Questions    Textbook Exercise, Algebra: collecting like terms     Video 9      Practice Questions    Textbook Exercise, Algebra: completing the square     Video 10      Practice Questions    Textbook Exercise, Algebra: dividing terms     Video 11      Practice Questions    Textbook Exercise, Algebra: equation of a circle     Video 12    Practice Questions    Textbook Exercise, Algebra: expanding brackets   Video 13      Practice Questions    Textbook Exercise, Algebra: expanding two brackets   Video 14      Practice Questions      Textbook Exercise, Algebra: expanding three brackets   Video 15      Practice Questions    Textbook Exercise, Algebra: expressions – forming     Video 16    Practice Questions    Textbook Exercise, Algebra: indices     Video 17     Practice Questions    Textbook Exercise, Algebra: multiplying terms     Video 18     Practice Questions    Textbook Exercise, Algebra: notation     Video 19     Practice Questions    Textbook Exercise, Algebra: substitution    Video 20     Practice Questions    Textbook Exercise, Algebraic fractions: addition    Video 21     Practice Questions    Textbook Exercise, Algebraic fractions: division   Video 22     Practice Questions    Textbook Exercise, Algebraic fractions: multiplication   Video 23     Practice Questions    Textbook Exercise, Algebraic fractions: simplifying   Video 24     Practice Questions     Textbook Exercise, Angles: parallel lines     Video 25    Practice Questions    Textbook Exercise, Angles: bearings     Video 26      Practice Questions     Textbook Exercise, Angles: given bearings from two points   Video 27    Practice Questions    Textbook Exercise, Angles: back bearings     Video 27a       Practice Questions     Textbook Exercise, Angles: drawing     Video 28      Practice Questions    Textbook Exercise, Angles: estimation     Video 29     Practice Questions    Textbook Exercise, Angles: full circle (at a point)   Video 30    Practice Questions    Textbook Exercise, Angles: measuring     Video 31       Practice Questions    Textbook Exercise, Angles: polygons    Video 32      Practice Questions    Textbook Exercise, Angles: quadrilaterals     Video 33    Practice Questions    Textbook Exercise, Angles: right angle   Video 34    Practice Questions    Textbook Exercise, Angles: straight line   Video 35    Practice Questions    Textbook Exercise, Angles: tessellations    Video 36      Practice Questions    Textbook Exercise, Angles: triangle    Video 37    Practice Questions    Textbook Exercise, Angles: types of   Video 38      Practice Questions      Textbook Exercise, Angles: vertically opposites     Video 39    Practice Questions   Textbook Exercise, Area: circles    Video 40      Practice Questions    Textbook Exercise, Area: compound shapes    Video 41     Practice Questions    Textbook Exercise, Area: hexagon     Video 41a     Practice Questions    Textbook Exercise, Area: L – shape     Video 42      Practice Questions    Textbook Exercise, Area: on a grid     Video 43     Practice Questions    Textbook Exercise, Area: parallelogram   Video 44      Practice Questions    Textbook Exercise, Area: rectangle   Video 45     Practice Questions    Textbook Exercise, Area: sector    Video 46      Practice Questions    Textbook Exercise, Area: semi-circle    Video 47      Practice Questions    Textbook Exercise, Area: trapezium    Video 48      Practice Questions    Textbook Exercise, Area: triangle   Video 49      Practice Questions    Textbook Exercise, Averages: median    Video 50      Practice Questions    Textbook Exercise, Averages: median (frequency table)    Video 51    Practice Questions    Textbook Exercise, Averages: median (grouped data)    Video 52     Practice Questions    Textbook Exercise, Averages: mean    Video 53      Practice Questions    Textbook Exercise, Averages: mean (frequency table)   Video 54     Practice Questions    Textbook Exercise, Averages: mean (estimated)   Video 55      Practice Questions    Textbook Exercise, Averages: mode    Video 56      Practice Questions    Textbook Exercise, Averages: range    Video 57      Practice Questions    Textbook Exercise, Circles: arc length     Video 58    Practice Questions    Textbook Exercise, Circles: area    Video 59      Practice Questions    Textbook Exercise, Circles: circumference   Video 60     Practice Questions    Textbook Exercise, Circles: parts   Video 61      Practice Questions    Textbook Exercise, Circles: perimeter – semi-circle   Video 62     Practice Questions    Textbook Exercise, Circles: segment area     Video 63      Practice Questions    Textbook Exercise, Circle theorems – theorems   Video 64     Practice Questions    Textbook Exercise, Circle theorems – examples   Video 65     Practice Questions    Textbook Exercise, Circle theorems proof: right angle in a semi-circle    Video 65a     Practice Questions, Circle theorems proof: angles at circumference\centre    Video 65b     Practice Questions, Circle theorems proof: angles in the same segment    Video 65c     Practice Questions, Circle theorems proof: cyclic quadrilaterals    Video 65d     Practice Questions, Circle theorems proof: alternate segment theorem   Video 65e     Practice Questions, Circle theorems proof: radius and tangent proof    Video 65f     Practice Questions, Congruent shapes   Video 66     Practice Questions    Textbook Exercise, Congruent triangles     Video 67     Practice Questions    Textbook Exercise, Constructions: 30 degree angle     Video 68      Practice Questions    Textbook Exercise, Constructions: 45 degree angle     Video 69      Practice Questions    Textbook Exercise, Constructions: 60 degree angle   Video 70      Practice Questions       Textbook Exercise, Constructions: 90 degree angle     Video 71      Practice Questions    Textbook Exercise, Constructions: angle bisector     Video 72     Practice Questions      Textbook Exercise, Constructions: equilateral triangles  Video 73   Practice Questions    Textbook Exercise, Constructions: hexagon     Video 74      Practice Questions     Textbook Exercise, Constructions: loci part 1      Video 75      Practice Questions    Textbook Exercise, Constructions: loci part 2     Video 76     Practice Questions      Textbook Exercise, Constructions: loci part 3     Video 77     Practice Questions      Textbook Exercise, Constructions: perpendicular bisector Video 78   Practice Questions    Textbook Exercise, Constructions: perpendicular to point    Video 79      Practice Questions    Textbook Exercise, Constructions: perpendicular: point on line  Video 80   Practice Questions  Textbook Exercise, Constructions: triangles ASA     Video 81     Practice Questions     Textbook Exercise, Constructions: triangles SAS     Video 82     Practice Questions     Textbook Exercise, Constructions: triangles SSS     Video 83     Practice Questions      Textbook Exercise, Coordinates     Video 84      Practice Questions    Textbook Exercise, Coordinates: shapes on a grid     Video 85       Practice Questions    Textbook Exercise, Coordinates: 3D     Video 86     Practice Questions, Coordinates: midpoint of a line     Video 87       Practice Questions     Textbook Exercise, Coordinates: distance between 2 points  Video 88    Practice Questions    Textbook Exercise, Data handling cycle     Video 89     Practice Questions, Decimals: addition     Video 90     Practice Questions      Textbook Exercise, Decimals: subtraction     Video 91    Practice Questions    Textbook Exercise, Decimals: division by decimals   Video 92     Practice Questions    Textbook Exercise, Decimals: dividing decimals by integers   Video 93     Practice Questions  Textbook Exercise, Decimals: multiplying   Video 94     Practice Questions    Textbook Exercise, Decimals: ordering    Video 95      Practice Questions    Textbook Exercise, Decimals: recurring decimals    Video 96     Practice Questions    Textbook Exercise, Dimensional analysis     Video 97     Practice Questions, Division: short division   Video 98     Practice Questions    Textbook Exercise, Division by 10, 100, 1000   Video 99     Practice Questions    Textbook Exercise, Division by powers of 10     Video 100     Practice Questions    Textbook Exercise, Division: by decimals   Video 101     Practice Questions    Textbook Exercise, Division: decimals by integers   Video 102    Practice Questions       Textbook Exercise, Division: remainders   Video 103      Practice Questions      Textbook Exercise, Enlargements   Video 104    Practice Questions    Textbook Exercise, Enlargements: centre of enlargement  Video 104a   Practice Questions   Textbook Exercise, Enlargements: describing     Video 105    Practice Questions     Textbook Exercise, Enlargements: finding c.of.enlarge   Video 106    Practice Questions    Textbook Exercise, Enlargements: fractional scale factor   Video 107    Practice Questions    Textbook Exercise, Enlargements: negative scale factor   Video 108    Practice Questions    Textbook Exercise, Enlargements: ray method     Video 109      Practice Questions, Equations: solving    Video 110      Practice Questions    Textbook Exercise, Equations: involving fractions    Video 111     Practice Questions    Textbook Exercise, Equations: fractional advanced    Video 111a    Practice Questions     Textbook Exercise, Equations: cross multiplication     Video 112     Practice Questions     Textbook Exercise, Equations: letters both sides   Video 113     Practice Questions     Textbook Exercise, Equations: angles and perimeter     Video 114      Practice Questions    Textbook Exercise, Equations: forming     Video 115      Practice Questions    Textbook Exercise, Equations: trial and improvement     Video 116      Practice Questions    Textbook Exercise, Factorisation   Video 117     Practice Questions      Textbook Exercise, Factorisation: quadratics   Video 118     Practice Questions    Textbook Exercise, Factorisation: quadratics harder   Video 119    Practice Questions    Textbook Exercise, Factorisation: splitting the middle    Video 119a    Textbook Exercise, Factorisation: difference of 2 squares   Video 120     Practice Questions  Textbook Exercise, FDP: percentages to decimals   Video 121      Practice Questions    Textbook Exercise, FDP: percentages to fractions   Video 122   Practice Questions    Textbook Exercise, FDP: decimals to fractions    Video 123      Practice Questions     Textbook Exercise, FDP: decimals to fractions (calc)    Video 124     Practice Questions     Textbook Exercise, FDP: decimals to percentages   Video 125      Practice Questions     Textbook Exercise, FDP: fractions to percentages     Video 126     Practice Questions    Textbook Exercise, FDP: fractions to decimals   Video 127     Practice Questions      Textbook Exercise, FDP: fractions to decimals (calc)   Video 128     Practice Questions     Textbook Exercise, FDP: key equivalents     Video 129     Practice Questions     Textbook Exercise, FDP: mixture   Video 130     Practice Questions      Textbook Exercise, FDP: ordering      Video 131     Practice Questions      Textbook Exercise, Fractions: addition same denominator  Video 132   Practice Questions   Textbook Exercise, Fractions: addition diff denominators   Video 133   Practice Questions    Textbook Exercise, Fractions: division   Video 134     Practice Questions     Textbook Exercise, Fractions: equivalent   Video 135     Practice Questions    Textbook Exercise, Fractions: expressing as   Video 136     Practice Questions     Textbook Exercise, Fractions: fraction of an amount    Video 137    Practice Questions    Textbook Exercise, Fractions: finding the original    Video 138     Practice Questions    Textbook Exercise, Fractions: improper to mixed number  Video 139   Practice Questions   Textbook Exercise, Fractions: mixed number to improper Video 140   Practice Questions   Textbook Exercise, Fractions: increasing by a fraction   Video 141    Practice Questions     Textbook Exercise, Fractions: multiplication   Video 142     Practice Questions    Textbook Exercise, Fractions: of shapes    Video 143     Practice Questions     Textbook Exercise, Fractions: ordering    Video 144     Practice Questions     Textbook Exercise, Fractions: reciprocal   Video 145     Practice Questions    Textbook Exercise, Fractions: simplifying     Video 146     Practice Questions    Textbook Exercise, Graphs: bar charts (draw)   Video 147     Practice Questions    Textbook Exercise, Graphs: bar charts (reading)  Video 148    Practice Questions    Textbook Exercise, Graphs: box plots- draw\interpret   Video 149   Practice Questions    Textbook Exercise, Graphs: box plots (compare)     Video 150     Practice Questions    Textbook Exercise, Graphs: conversion graphs (draw)    Video 151     Practice Questions    Textbook Exercise, Graphs: conversion graphs (interpret)   Video 152     Practice Questions    Textbook Exercise, Graphs: cumulative frequency (draw)  Video 153    Practice Questions   Textbook Exercise, Graphs: cumulative frequency (reading)  Video 154    Practice Questions    Textbook Exercise, Graphs: frequency polygons (draw)  Video 155     Practice Questions    Textbook Exercise, Graphs: frequency polygons (reading)  Video 156   Practice Questions   Textbook Exercise, Graphs: histograms (draw)    Video 157    Practice Questions    Textbook Exercise, Graphs: histograms (interpret)   Video 158    Practice Questions    Textbook Exercise, Graphs: histograms harder   Video 159    Practice Questions    Textbook Exercise, Graphs: line graphs     Video 160     Practice Questions     Textbook Exercise, Graphs: pictograms (draw)    Video 161     Practice Questions     Textbook Exercise, Graphs: pictograms (interpret)   Video 162     Practice Questions    Textbook Exercise, Graphs: pie charts (draw)    Video 163       Practice Questions    Textbook Exercise, Graphs: pie charts (interpret)   Video 164     Practice Questions    Textbook Exercise, Graphs: scatter graphs (draw)   Video 165    Practice Questions      Textbook Exercise, Graphs: scatter graphs (interpret)    Video 166    Practice Questions     Textbook Exercise, Graphs: scatter graphs (line of best fit)  Video 167   Practice Questions   Textbook Exercise, Graphs: scatter graphs (correlation)    Video 168    Practice Questions     Textbook Exercise, Graphs: stem and leaf (draw)   Video 169      Practice Questions    Textbook Exercise, Graphs: stem and leaf (interpret)    Video 170      Practice Questions    Textbook Exercise, Graphs: distance-time graphs     Video 171    Practice Questions    Textbook Exercise, Indices  (numerical)   Video 172    Practice Questions     Textbook Exercise, Indices: fractional     Video 173      Practice Questions    Textbook Exercise, Indices: laws of   Video 174     Practice Questions    Textbook Exercise, Indices: negative     Video 175      Practice Questions    Textbook Exercise, Inequalities     Video 176    Practice Questions    Textbook Exercise, Inequalities on a number line      Video 177    Practice Questions    Textbook Exercise, Inequalities: solving (one sign)   Video 178    Practice Questions    Textbook Exercise, Inequalities: solving (two signs)  Video 179    Practice Questions    Textbook Exercise, Inequalities: graphical y>a or x>a  Video 180   Practice Questions   Textbook Exercise, Inequalities: graphical y>x+a   Video 181    Practice Questions    Textbook Exercise, Inequalities: regions     Video 182    Practice Questions    Textbook Exercise, Limits of accuracy      Video 183     Practice Questions    Textbook Exercise, Limits of accuracy:  applying     Video 184     Practice Questions    Textbook Exercise, Linear graphs: length of a line    Video 185     Practice Questions     Textbook Exercise, Linear graphs: drawing (xy table)   Video 186     Practice Questions      Textbook Exercise, Linear graphs: drawing using y=mx+c   Video 187    Practice Questions     Textbook Exercise, Linear graphs: (across one method)     Video 188     Practice Questions      Textbook Exercise, Linear graphs: gradient of a line     Video 189     Practice Questions   Textbook Exercise, Linear graphs: gradient between points  Video 190    Practice Questions   Textbook Exercise, Linear graphs: y=mx+c     Video 191     Practice Questions    Textbook Exercise, Linear graphs: y=a graphs     Video 192    Practice Questions     Textbook Exercise, Linear graphs: x=a graphs     Video 193    Practice Questions      Textbook Exercise, Linear graphs: find equation of a line     Video 194     Practice Questions    Textbook Exercise, Linear graphs: equation through 2 points  Video 195   Practice Questions  Textbook Exercise, Linear graphs: parallel lines     Video 196    Practice Questions    Textbook Exercise, Linear graphs: perpendicular lines     Video 197    Practice Questions    Textbook Exercise, Linear graphs: midpoint of a line     Video 198     Practice Questions     Textbook Exercise, Multiplication: grid method  Video 199    Practice Questions  Textbook 1    Textbook 2, Multiplication: column method  Video 200    Practice Questions    Textbook 1    Textbook 2, Multiplication: end number     Video 201    Practice Questions    Textbook Exercise, Multiplication: by 10, 100 etc     Video 202     Practice Questions    Textbook Exercise, Multiplication: powers of 10      Video 203     Practice Questions    Textbook Exercise, Multiplication: decimals   Video 204     Practice Questions    Textbook Exercise, Multiplication: times tables    Video 204a    Textbook Exercise, Negatives: addition/subtractions  Video 205    Practice Questions    Textbook Exercise, Negatives: multiplication    Video 206     Practice Questions     Textbook Exercise, Negatives: division    Video 207     Practice Questions      Textbook Exercise, Negatives: ordering     Video 208     Practice Questions    Textbook Exercise, Negatives: real life     Video 209    Practice Questions      Textbook Exercise, Number: best buys     Video 210     Practice Questions    Textbook Exercise, Number: BODMAS (order of operations)   Video 211    Practice Questions    Textbook Exercise, Number: cube numbers    Video 212     Practice Questions      Textbook Exercise, Number: cubing a number    Video 213     Practice Questions     Textbook Exercise, Number: cube root     Video 214      Practice Questions    Textbook Exercise, Number: currency    Video 214a      Practice Questions    Textbook Exercise, Number: estimation   Video 215     Practice Questions    Textbook Exercise, Number: factors   Video 216      Practice Questions    Textbook Exercise, Number: midpoint of two numbers   Video 217    Practice Questions    Textbook Exercise, Number: common multiples/LCM    Video 218    Practice Questions     Textbook Exercise, Number: common factors/HCF   Video 219     Practice Questions     Textbook Exercise, Number: multiples   Video 220     Practice Questions    Textbook Exercise, Number: ordering numbers   Video 221     Practice Questions    Textbook Exercise, Number: place value     Video 222     Practice Questions    Textbook Exercise, Number: using calculations    Video 222a   Practice Questions    Textbook Exercise, Number: product of primes   Video 223    Practice Questions    Textbook Exercise, Number: product of primes (LCM/HCF)  Video 224   Practice Questions    Textbook Exercise, Number: prime numbers     Video 225     Practice Questions    Textbook Exercise, Number: square numbers    Video 226     Practice Questions    Textbook Exercise, Number: squaring a number   Video 227   Practice Questions    Textbook Exercise, Number: square root   Video 228     Practice Questions    Textbook Exercise, Number: triangular numbers     Video 229    Practice Questions    Textbook Exercise, Number: rational/irrational     Video 230    Practice Questions    Textbook Exercise, Parallel lines     Video 231     Practice Questions     Textbook Exercise, Perpendicular lines     Video 232     Practice Questions    Textbook Exercise, Percentages: change     Video 233    Practice Questions    Textbook Exercise, Percentages: of an amount (non-calc)   Video 234   Practice Questions    Textbook Exercise, Percentages: of an amount (calc)  Video 235   Practice Questions   Textbook Exercise, Percentages: compound interest   Video 236    Practice Questions    Textbook Exercise, Percentages: expressing as   Video 237    Practice Questions   Textbook Exercise, Percentages: increasing\decreasing   Video 238   Practice Questions    Textbook Exercise, Percentages: multipliers   Video 239    Practice Questions     Textbook Exercise, Percentages: reverse   Video 240      Practice Questions    Textbook Exercise, Perimeter      Video 241    Practice Questions    Textbook Exercise, Perimeter: on a grid     Video 242     Practice Questions    Textbook Exercise, Perimeter: semi-circle   Video 243     Practice Questions    Textbook Exercise, Probability: OR rule     Video 244     Practice Questions    Textbook Exercise, Probability: basic     Video 245     Practice Questions      Textbook Exercise, Probability: sample space     Video 246    Practice Questions      Textbook Exercise, Probability: conditional     Video 247    Practice Questions      Textbook Exercise, Probability: relative frequency  Video 248   Practice Questions    Textbook Exercise, Probability: independent events     Video 249    Practice Questions    Textbook Exercise, Probability: not happening     Video 250     Practice Questions      Textbook Exercise, Probability: scale     Video 251     Practice Questions      Textbook Exercise, Probability: tree diagrams     Video 252      Practice Questions    Textbook Exercise, Probability: listing outcomes    Video 253     Practice Questions     Textbook Exercise, Proportion: direct     Video 254      Practice Questions    Textbook Exercise, Proportion: inverse     Video 255     Practice Questions      Textbook Exercise, Proportion: unitary method   Video 255a     Practice Questions    Textbook Exercise, Proportion: recipes     Video 256     Practice Questions    Textbook Exercise, Pythagoras   Video 257      Practice Questions     Textbook Exercise, Pythagoras on a graph     Video 258     Practice Questions    Textbook Exercise, Pythagoras: 3D   Video 259    Practice Questions    Textbook Exercise, Pythagoras: rectangles/isosceles tri     Video 260    Practice Questions    Textbook Exercise, Pythagoras: show triangle is right angle  Video 261   Practice Questions   Textbook Exercise, Pythagoras: area of a regular hexagon     Video 262     Practice Questions, Pythagoras: distance points  Video 263   Practice Questions    Textbook Exercise, Quadratic graphs: drawing     Video 264      Practice Questions     Textbook Exercise, Quadratic graphs: sketching using key points      Video 265     Textbook Exercise, Quadratics: solving (factorising)  Video 266   Practice Questions    Textbook 1   Textbook 2, Quadratics: formula     Video 267     Practice Questions      Textbook Exercise, Quadratics: solving (completing the square)  Video 267a   Practice Questions   Textbook Exercise, Quadratic formula proof:     Video 267b    Practice Questions    Textbook Exercise, Quadratics: solving graphically  Video 267c   Practice Questions   Textbook Exercise, Quadratics: solving graphically advanced  Video 267d   Practice Questions, Questionnaires     Video 268      Practice Questions, Ratio: simplifying     Video 269      Practice Questions    Textbook Exercise, Ratio: express as fractions or %   Video 269a     Practice Questions    Textbook Exercise, Ratio: sharing the total     Video 270      Practice Questions    Textbook Exercise, Ratio: given one value     Video 271      Practice Questions    Textbook Exercise, Ratio: given two ratios    Video 271a    Textbook Exercise, Ratio: difference between     Video 271b     Textbook Exercise, Ratio: expressing as 1:n       Video 271c, Ratio: solving problems 1    Video 271e     Textbook Exercise, Reflections   Video 272     Practice Questions    Textbook Exercise, Reflections: describing     Video 273     Practice Questions    Textbook Exercise, Reflections: finding mirror line   Video 274    Practice Questions    Textbook Exercise, Rotations     Video 275     Practice Questions    Textbook Exercise, Rounding: to whole numbers   Video 276     Practice Questions    Textbook Exercise, Rounding: to nearest 10    Video 277a      Practice Questions    Textbook Exercise, Rounding: to nearest 100    Video 277b     Practice Questions    Textbook Exercise, Rounding: to decimal places   Video 278     Practice Questions     Textbook Exercise, Rounding: significant figures  Video 279a    Practice Questions    Textbook Exercise, Rounding: highest/lowest values  Video 280    Practice Questions    Textbook Exercise, Sampling: stratified   Video 281     Practice Questions    Textbook Exercise, Sampling: random     Video 282    Practice Questions, Scales and maps     Video 283    Practice Questions, Scales: reading     Video 284    Practice Questions, Sensible estimates     Video 285    Practice Questions    Textbook Exercise, Sequences: describing rules  Video 286    Practice Questions    Textbook Exercise, Sequences: missing terms  Video 287    Practice Questions    Textbook Exercise, Sequences: Fibonacci     Video 287a     Textbook Exercise, Sequences: nth term    Video 288      Practice Questions    Textbook Exercise, Sequences: nth term for fractional sequences   Video 289    Textbook Exercise, Sequences: patterns     Video 290    Practice Questions     Textbook Exercise, Similar shapes: definition   Video 291     Practice Questions, Similar shapes: finding sides     Video 292     Practice Questions     Textbook Exercise, Similar shapes: area       Video 293a     Practice Questions, Similar shapes: volume   Video 293b     Practice Questions, Similar shapes: further     Video 294       Practice Questions, Simultaneous equations (elimination)  Video 295    Practice Questions    Textbook Exercise, Simultaneous equations (substitution, both linear)     Video 296    Practice Questions, Simultaneous equations (graphical)     Video 297     Textbook Exercise, Simultaneous equations (advanced)   Video 298     Practice Questions    Textbook Exercise, Speed, distance and time     Video 299    Practice Questions    Textbook Exercise, Standard form     Video 300      Practice Questions    Textbook Exercise, Standard form: addition     Video 301     Practice Questions      Textbook Exercise, Standard form: multiplication     Video 302     Practice Questions     Textbook Exercise, Standard form: division     Video 303     Practice Questions      Textbook Exercise, Subtraction    Video 304     Practice Questions    Textbook Exercise, Surds: intro, rules, simplifying     Video 305     Practice Questions    Textbook Exercise, Surds: addition/subtraction     Video 306     Practice Questions     Textbook Exercise, Surds: rationalising denominators     Video 307     Practice Questions     Textbook Exercise, Surds: expanding brackets     Video 308     Practice Questions     Textbook Exercise, Surface area: mixture     Video 309     Practice Questions, Surface area: cuboid     Video 310      Practice Questions    Textbook Exercise, Surface area: L-shape prism  Video 311    Practice Questions     Textbook Exercise, Surface area: sphere     Video 313     Practice Questions    Textbook Exercise, Surface area: cone     Video 314     Practice Questions    Textbook Exercise, Surface area: cylinders     Video 315      Practice Questions    Textbook Exercise, Symmetry: line     Video 316     Practice Questions      Textbook Exercise, Symmetry: rotational    Video 317     Practice Questions      Textbook Exercise, Tables: distance charts    Video 318      Practice Questions    Textbook Exercise, Tables: two-way tables  Video 319     Practice Questions    Textbook Exercise, Tables: timetables    Video 320     Practice Questions    Textbook Exercise, Tally charts     Video 321       Practice Questions    Textbook Exercise, Time: calculations     Video 322     Practice Questions     Textbook Exercise, Transformations: mixture     Practice Questions, Transformations of graphs     Video 323    Practice Questions, Transformations of trigonometric graphs     Video 324   Practice Questions, Translations: vector    Video 325     Practice Questions    Textbook Exercise, Translations: describing   Video 326     Practice Questions    Textbook Exercise, Triangles: types of   Video 327     Practice Questions    Textbook Exercise, Triangles: congruent     Video 328     Practice Questions     Textbook Exercise, Trigonometry introduction:     Video 329      Practice Questions    Textbook Exercise, Trigonometry missing sides:     Video 330      Practice Questions    Textbook Exercise, Trigonometry missing angles:     Video 331      Practice Questions    Textbook Exercise, Trigonometry: 3D     Video 332     Practice Questions     Textbook Exercise, Trigonometry: sine rule (sides)     Video 333     Practice Questions    Textbook Exercise, Trigonometry: sine rule (angles)     Video 334     Practice Questions    Textbook Exercise, Trigonometry: sine rule (ambiguous case)    Video 334a     Textbook Exercise, Trigonometry: cosine rule (sides)   Video 335     Practice Questions    Textbook Exercise, Trigonometry: cosine rule (angles)     Video 336     Practice Questions    Textbook Exercise, Trigonometry: area of a triangle   Video 337     Proof     Practice Questions    Textbook Exercise, Trigonometry: Sine graph     Video 338     Practice Questions    Textbook Exercise, Trigonometry: Cosine graph     Video 339     Practice Questions     Textbook Exercise, Trigonometry: Tangent graph     Video 340     Practice Questions     Textbook Exercise, Trigonometry: Exact values     Video 341    Practice Questions    Textbook Exercise, Types of data:Qualitative/Quantitative  Video 342   Practice Questions   Textbook Exercise, Types of data: discrete & continuous  Video 343   Practice Questions    Textbook Exercise, Types of data: primary & secondary  Video 343a   Practice Questions    Textbook Exercise, Types of graph: cubics     Video 344     Practice Questions, Types of graph: exponential     Video 345    Practice Questions, Types of graph: reciprocal     Video 346      Practice Questions, Units: types of metric and imperial unit     Video 347     Practice Questions, Units: Converting imperial units for length     Video 348a     Practice Questions, Units: Converting imperial units for mass        Video 348b     Practice Questions, Units: Converting imperial units for capacity        Video 348c     Practice Questions, Units: Metric units (length)     Video 349a     Practice Questions    Textbook Exercise, Units: Metric units (mass)       Video 349b     Practice Questions    Textbook Exercise, Units: Metric units (capacity)      Video 349c      Practice Questions    Textbook Exercise, Units: metric to imperial (length)     Video 349d     Practice Questions, Units:  metric to imperial (mass)     Video 349e     Practice Questions, Units: metric to imperial (capacity)     Video 349f     Practice Questions, Units: converting areas     Video 350     Practice Questions     Textbook Exercise, Units: converting volumes   Video 351    Practice Questions    Textbook Exercise, Use of a calculator   Video 352      Practice Questions    Textbook Exercise, Vectors     Video 353     Practice Questions, Vectors:  Column     Video 353a     Practice Questions     Textbook Exercise, Views: front/side elevation and plan view      Video 354     Practice Questions, Volume: cube/cuboid   Video 355     Practice Questions    Textbook Exercise, Volume: prism     Video 356     Practice Questions      Textbook Exercise, Volume: cylinder   Video 357     Practice Questions      Textbook Exercise, Volume: L-shape prism   Video 358    Practice Questions     Textbook Exercise, Volume: cone     Video 359      Practice Questions    Textbook Exercise, Volume: pyramid     Video 360     Practice Questions    Textbook Exercise, Volume: sphere     Video 361      Practice Questions    Textbook Exercise, Number: Writing figures in words     Video 362     Practice Questions    Textbook Exercise, Number: Writing words in figures     Video 363     Practice Questions    Textbook Exercise, Flow Charts     Video 364     Practice Questions, Algebraic Proof     Video 365     Practice Questions    Textbook Exercise, Inequalities: Optional Solutions     Video 367, Intersecting Chord Theorem     Video 368a    Practice Questions, Intersecting Secant Theorem    Video 368b     Practice Questions, Inverse functions     Video 369    Practice Questions     Textbook Exercise, Composite functions     Video 370    Practice Questions    Textbook Exercise, Quadratic graph (completing the square)    Video 371, Equation of a Tangent to a Circle    Video 372    Practice Questions, Iteration    Video 373     Practice Questions, Change of Sign      Video 373a       Practice Questions, Frequency Trees     Video 376      Practice Questions    Textbook Exercise, Error Intervals    Video 377     Textbook Exercise, Inequalities: quadratic    Video 378     Practice Questions    Textbook Exercise, Venn Diagrams    Video 380     Practice Questions, Shortest distance from point to a line    Video 381      Textbook Exercise, Product rule for counting  Video 383    Practice Questions    Textbook Exercise, Density    Video 384    Practice Questions   Textbook Exercise, Pressure    Video 385    Practice Questions    Textbook Exercise, Function Machines     Video 386     Textbook Exercise, Reading Tables     Video 387      Textbook Exercise, Quadratic nth term – Version 1    Video 388a     Practice Questions    Textbook Exercise, Quadratic nth term – Version 2    Video 388b     Practice Questions    Textbook Exercise, Quadratic nth term – Version 3   Video 388c     Practice Questions     Textbook Exercise, Area under a Graph     Video 389    Practice Questions     Textbook Exercise, Instantaneous Rate of Change   Video 390a      Practice Questions     Textbook Exercise, Average Rate of Change     Video 390b      Practice Questions     Textbook Exercise, Capture\Recapture      Video 391       Textbook Exercise, Invariant Points        Video 392      Textbook Exercise, Simultaneous Equations (3 Unknowns)     Video 393, Binary     Video 398    Textbook Exercise. 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