Year 9 Maths Worksheets with Answers

Shape and Geometry

• · Use Pythagoras' theorem to find missing sides in right-angled triangles
• · Use trigonometric ratios (sin, cos, tan) to find sides and angles
• · Describe and carry out translations, reflections, rotations and enlargements

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Percentages

• · Find the original amount after a percentage change (reverse percentages)
• · Calculate compound interest and repeated percentage change
• · Work with percentages greater than 100%

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Algebra

• · Expand and simplify double brackets
• · Solve simultaneous equations and linear inequalities
• · Rearrange formulae to change the subject

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Ratio and Proportion

• · Solve inverse proportion problems
• · Use compound measures: speed, density and pressure
• · Use ratio and scale factors with similar shapes

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Statistics and Probability

• · Estimate the mean from grouped data
• · Compare two distributions using an average and the range
• · Use tree diagrams for combined events

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