year 8 maths

iv
3
Puzzles and challenges 111
Review: Chapter summary 112
Multiple-choice questions 113
Short-answer questions 114
Extended-response questions 115
Measurement and Pythagoras’ theorem 116
Pre-test 118
3A Length and perimeter REVISION 119
3B Circumference of circles REVISION 125
3C Area REVISION 130
3D Area of special quadrilaterals 136
3E Area of circles 140
3F Area of sectors and composite figures 145
3G Surface area of prisms EXTENSION 150
3H Volume and capacity 154
3I Volume of prisms and cylinders 159
3J Time REVISION 164
3K Introducing Pythagoras’ theorem 172
3L Using Pythagoras’ theorem 177
3M Calculating the length of a shorter side 181
Investigation 186
Puzzles and challenges 188
Review: Chapter summary 189
Multiple-choice questions 190
Short-answer questions 191
Extended-response questions 193
Measurement and Geometry
Length
Area
Volume
Time
Right-angled triangles
(Pythagoras)
MA4–12MG, MA4–13MG,
MA4–14MG, MA4–15MG,
MA4–16MG
4 Fractions, decimals, percentages and financial mathematics 194 Number and Algebra
Pre-test 196
4A Equivalent fractions REVISION 197
4B Computation with fractions REVISION 203
4C Decimal place value and fraction/decimal conversions REVISION 211
4D Computation with decimals REVISION 217
4E Terminating decimals, recurring decimals and rounding REVISION 223
4F Converting fractions, decimals and percentages REVISION 229
4G Finding a percentage and expressing as a percentage 236
4H Decreasing and increasing by a percentage 242
4I The Goods and Services Tax (GST) 248
4J Calculating percentage change, profit and loss 253
4K Solving percentage problems with the unitary method
and equations 258
Investigation 262
Fractions, decimals and percentages
Financial mathematics
MA4–5NA, MA4–6NA
Cambridge Maths NSW
Stage 4 Year 8 Second edition
ISBN 978-1-108-46627-1 © Palmer et al. 2018
Cambridge University Press
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