📐 Math 9 · Grade 8 · Cambridge Lower Secondary Maths Stage 9

Unit 3: Decimals, percentages and rounding

4 sections · 219 questions

Free to try, no sign-in. Sign in to earn ⭐ stars and keep your progress.

Sections

1. 3.1Multiplying and dividing by powers of 10e.g. 2.8 × 10⁻² and 34 ÷ 10⁻² · 57 questionsPractice
2. 3.2Multiplying and dividing decimalse.g. 0.08 ÷ 0.004 · 83 questionsPractice
3. 3.3Understanding compound percentagese.g. $800 increased by 25%, then decreased by 40% · 39 questionsPractice
4. 3.4Understanding upper and lower boundse.g. Rounded to the nearest 10 it is 90: 85 ≤ x < 95 · 40 questionsPractice