Contents

1 Intermediate Number 1a Arithmetic estimation & approximation 1 2 3 4 5 6 7 8 rounding 1 2 3 4 number 1 2 3 4 5 6 7 8 more on number 1 factors & multiples 1 2 3 with a calculator 1 2 3 4 5 6 7 8 more with a calculator 1 2 3 4 5 6 a quick test 1b Powers and roots understanding powers 1 2 3 4 5 6 7 8 standard form 1 2 3 4 5 6 7 8 more on standard form 1 2 3 4 5 6 7 a quick test 1c Fractions understanding fractions 1 2 3 4 5 6 7 8 more on understanding 1 2 3 4 calculations 1 2 3 4 5 6 7 8 a quick test 1d Decimals understanding decimals 1 2 3 4 5 money 1 2 3 4 5 6 7 8 calculations 1 2 3 a quick test 1e Percentages finding percentages 1 2 3 4 5 increases and decreases 1 2 3 4 5 6 using percentages 1 2 3 4 5 6 7 8 more on using percentages 1 2 3 4 5 6 7 8 a quick test 1f Scale & ratios finding ratios 1 2 3 using ratios 1 2 3 4 5 6 7 8 more on using ratios 1 2 using scales & proportion 1 2 3 4 5 6 7   Intermediate number a quick test