Book 3B - Chapter 1:

Number: product of primes (LCM/HCF)  Video 224   Practice Questions    Textbook Exercise

Number: estimation   Video 215     Practice Questions    Textbook Exercise

Limits of accuracy      Video 183     Practice Questions    Textbook Exercise

Rounding: to decimal places   Video 278     Practice Questions     Textbook Exercise

Number: using calculations    Video 222a   Practice Questions    Textbook Exercise

ANSWERS

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Book 3B - Chapter 2:

Density    Video 384    Practice Questions   Textbook Exercise

Pressure    Video 385    Practice Questions    Textbook Exercise

Area: parallelogram   Video 44      Practice Questions    Textbook Exercise

Area: trapezium    Video 48      Practice Questions    Textbook Exercise

Area: circles    Video 40      Practice Questions    Textbook Exercise

Area: semi-circle    Video 47      Practice Questions    Textbook Exercise

Circles: circumference   Video 60     Practice Questions    Textbook Exercise

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

Area: L – shape     Video 42      Practice Questions    Textbook Exercise

ANSWERS

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Book 3B - Chapter 3:

Algebra: expanding brackets   Video 13      Practice Questions    Textbook Exercise

Algebra: changing the subject    Video 7      Practice Questions    Textbook Exercise

Algebra: substitution    Video 20     Practice Questions    Textbook Exercise

Algebra: dividing terms     Video 11      Practice Questions    Textbook Exercise

Factorisation   Video 117     Practice Questions      Textbook Exercise

ANSWERS

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Book 3B - Chapter 4:

Fractions: addition diff denominators   Video 133   Practice Questions    Textbook Exercise

Fractions: division   Video 134     Practice Questions     Textbook Exercise

Fractions: multiplication   Video 142     Practice Questions    Textbook Exercise

Percentages: increasing\decreasing   Video 238   Practice Questions    Textbook Exercise

Percentages: compound interest   Video 236    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: fractions to decimals   Video 127     Practice Questions      Textbook Exercise

FDP: fractions to decimals (calc)   Video 128     Practice Questions     Textbook Exercise

Fractions: fraction of an amount    Video 137    Practice Questions    Textbook Exercise

Fractions: addition diff denominators   Video 133   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

ANSWERS

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Book 3B - Chapter 5:

Angles: parallel lines     Video 25    Practice Questions    Textbook Exercise

Angles: polygons    Video 32      Practice Questions    Textbook Exercise

Angles: quadrilaterals     Video 33    Practice Questions    Textbook Exercise

Angles: triangle    Video 37    Practice Questions    Textbook Exercise

ANSWERS

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Book 3B - Chapter 6:

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: y=mx+c     Video 191     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: distance-time graphs     Video 171    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: parallel lines     Video 196    Practice Questions    Textbook Exercise

Linear graphs: drawing (xy table)   Video 186     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

ANSWERS

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Book 3B - Chapter 7:

Use of a calculator   Video 352      Practice Questions    Textbook Exercise

Decimals: addition     Video 90     Practice Questions      Textbook Exercise

Decimals: subtraction     Video 91    Practice Questions    Textbook Exercise

Decimals: multiplying   Video 94     Practice Questions    Textbook Exercise

Decimals: dividing decimals by integers   Video 93     Practice Questions  Textbook Exercise

Decimals: division by decimals   Video 92     Practice Questions    Textbook Exercise

ANSWERS

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Book 3B - Chapter 8:

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

Averages: median (grouped data)    Video 52     Practice Questions    Textbook Exercise

Averages: mean (estimated)   Video 55      Practice Questions    Textbook Exercise

Tally charts     Video 321       Practice Questions    Textbook Exercise

Graphs: line graphs     Video 160     Practice Questions     Textbook Exercise

Averages: median    Video 50      Practice Questions    Textbook Exercise

Averages: mean    Video 53      Practice Questions    Textbook Exercise

Averages: mode    Video 56      Practice Questions    Textbook Exercise

Averages: range    Video 57      Practice Questions    Textbook Exercise

Graphs: pie charts (draw)    Video 163       Practice Questions    Textbook Exercise

Graphs: pie charts (interpret)   Video 164     Practice Questions    Textbook Exercise

Averages: median (frequency table)    Video 51    Practice Questions    Textbook Exercise

Averages: mean (frequency table)   Video 54     Practice Questions    Textbook Exercise

ANSWERS

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Book 3B - Chapter 9:

Ratio: expressing as 1:n       Video 271c

Enlargements: centre of enlargement  Video 104a   Practice Questions   Textbook Exercise

Enlargements: finding c.of.enlarge   Video 106    Practice Questions    Textbook Exercise

Enlargements: ray method     Video 109      Practice Questions

Reflections   Video 272     Practice Questions    Textbook Exercise

Rotations     Video 275     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

ANSWERS

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Book 3B - Chapter 10:

Equations: trial and improvement     Video 116      Practice Questions    Textbook Exercise

Equations: solving    Video 110      Practice Questions    Textbook Exercise

Equations: angles and perimeter     Video 114      Practice Questions    Textbook Exercise

Equations: letters both sides   Video 113     Practice Questions     Textbook Exercise

Equations: forming     Video 115      Practice Questions    Textbook Exercise

ANSWERS

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Book 3B - Chapter 11:

Standard form     Video 300      Practice Questions    Textbook Exercise

Surds: intro, rules, simplifying     Video 305     Practice Questions    Textbook Exercise

Surds: expanding brackets     Video 308     Practice Questions     Textbook Exercise

Algebra: indices     Video 17     Practice Questions    Textbook Exercise

ANSWERS

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Book 3B - Chapter 12:

Congruent triangles     Video 67     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

Constructions: angle bisector     Video 72     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

Coordinates: distance between 2 points  Video 88    Practice Questions    Textbook Exercise

Linear graphs: length of a line    Video 185     Practice Questions     Textbook Exercise

Pythagoras   Video 257      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

ANSWERS

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Book 3B - Chapter 13:

Sequences: nth term    Video 288      Practice Questions    Textbook Exercise

Sequences: patterns     Video 290    Practice Questions     Textbook Exercise

ANSWERS

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Book 3B - Chapter 14:

Views: front/side elevation and plan view      Video 354     Practice Questions

Similar shapes: definition   Video 291     Practice Questions

Similar shapes: finding sides     Video 292     Practice Questions     Textbook Exercise

Surface area: cuboid     Video 310      Practice Questions    Textbook Exercise

Surface area: L-shape prism  Video 311    Practice Questions     Textbook Exercise

Surface area: other prisms     Video 312

Volume: prism     Video 356     Practice Questions      Textbook Exercise

Volume: cylinder   Video 357     Practice Questions      Textbook Exercise

ANSWERS

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Book 3B - Chapter 15:

Number: currency    Video 214a      Practice Questions    Textbook Exercise

Proportion: direct     Video 254      Practice Questions    Textbook Exercise

Proportion: recipes     Video 256     Practice Questions    Textbook Exercise

Ratio: expressing as 1:n       Video 271c

Scales and maps     Video 283    Practice Questions

Percentages: multipliers   Video 239    Practice Questions     Textbook Exercise

ANSWERS

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Book 3B - Chapter 16:

Probability: relative frequency  Video 248   Practice Questions    Textbook Exercise

Probability: OR rule     Video 244     Practice Questions    Textbook Exercise

Probability: basic     Video 245     Practice Questions      Textbook Exercise

Probability: listing outcomes    Video 253     Practice Questions     Textbook Exercise

Probability: sample space     Video 246    Practice Questions      Textbook Exercise

ANSWERS

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