Keystones — Bedrock
Five GCSE retrieval questions · 13 November 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 88 + 70
Answer: 88 + 70 = 158 -
2. Algebra Substitution
If x = 5, find the value of 4x + 9
Answer: 29 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:30
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 6, 16, 6
Answer: 9.3333333333333