Keystones — Cornerstone

Five GCSE retrieval questions · 13 April 2022 · mathsvault.uk/keystones

1. Number

Add: ⁶⁄₈ + ²⁄₇

Answer: ²⁹⁄₂₈
2. Algebra

Find the next term: 6, 8, 10, 12, ...

Answer: 14
3. Geometry

Calculate the hypotenuse when a = 3cm and b = 6cm

Answer: 6.71cm
4. Ratio

Simplify the ratio 24:15

Answer: 8:5
5. Statistics

Calculate the range of: 47, 28, 43, 41, 86, 93

Answer: 65

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