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Year 8

Ratios, rates and percentages

Choose a subtopic, explore its examples and practise with feedback.

Choose a subtopic.

Explore ratios, rates and percentages for Year 8. Each subtopic has sample questions and worked answers; choose the skill you want to practise.

01

Reverse percentages and successive changes

Reverse percentages and successive changes

Examples, answers and practice
02

Repeated changes, weighted percentages and reverse compound growth

Repeated changes, weighted percentages and reverse compound growth

Examples, answers and practice
03

Changing ratios, inverse variation and joint proportion

Changing ratios, inverse variation and joint proportion

Examples, answers and practice
04

Link three-way ratios and reverse a ratio after removals

Link three-way ratios and reverse a ratio after removals

Examples, answers and practice

Make, test and investigate.

Build, test and revise a model

Choose a situation, variables, units and a feasible domain. Enter observed data, select a model, compare predictions with observations and revise your assumptions.

Guided activity · No grade

Keep exploring.

Year 8 · Solving two-step linear equations →Year 8 · Multiplying fractions and mixed numbers →Year 8 · Dividing fractions using the reciprocal →Year 8 · Percentage increases, decreases and original amounts →