Contents Aboutthisresource vii Acknowledgements xiv Powering up for Year 7 Week 1 Findingyourplace Week2 Numberingup Week3Thinkingquickly Week4 Fishingforfractions Week5 Gettingtothepoint Week6 Giving100% IonI=onlv1 NAPLAN practice Set A Calculatorallowed Set B Non-calculator Set C Calculatorallowed Set D Non-calculator Set E Calculatorallowed Set F Non-calculator
Positive integers 1.1 Overview 1.2 Placevalue 1.3 Strategiesforaddingandsubtra· positiveintegers 10 1.4 Algorithmsforaddingand positiveintegers 16 1.5 Multiplyingpositi 25 1.8 Order 45 1.9 Review 52 61 negative integers 67 68 onthenumberline 70 2.3 Integersonthenumberplane.........................75 2.4 Addingintegers 80 2.5 Subtractingintegers 85 2.6 Multiplyinganddividingintegers 91 2.7 Orderofoperationswithintegers....................97 2.8 Review 102 Answers 109 3 Factors, multiples, indices and primes 3.1 Overview 3.2 Factorsandmultiples 3.3 Lowestcommonmultipleandhighest commonfactor 115 3.4 Indexnotation 128 3.6 Squaresandsqua 141 3.7 Divisibilitytests 147 3.8 Cubesandcuberoots 150 3.9 Review � 155 Answers............."............................................162 4 Fracti nd percentages 167 1� tions?.......................................170 gfractions 182 .5 Addingandsubtractingfractions 192 4.6 Multiplyingfractions 200 4.7 Dividingfractions 208 4.8 Workingwithmixednumbers 213 4.9 Percentagesasfractions 220 4.10 Calculatingpercentagesofanamount.........225 4.11 Oneamountasapercentageofanother 230 4.12 Commonpercentagesandshortcuts 236 4.13 Review 242 Answers 251 5 Ratios, rates and best buys 261 5.1 Overview 262 5.2 Ratios 265 5.3 Rates............................................................271 5.4 Theunitarymethodandbestbuys 276 5.5 Review 281 Answers 286 6 Decimals 289 6.1 Overview 290 6.2 Decimalsandplacevalue.............................292 6.3 Convertingdecimalstofractionsand fractionstodecimals 300 6.4 Roundingandrepeatingdecimals................305 6.5 Addingandsubtractingdecimals 311 6.6 Multiplyingdecimals 317 6.7 Dividingdecimals 323 6.8 Decimalsandpercentages...........................330 6.9 Review 333 Answers 340 CONTENTS v
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