Keystones — Bedrock
Five GCSE retrieval questions · 14 February 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 99 + 50
Answer: 99 + 50 = 149 -
2. Algebra Substitution
If x = 6, find the value of 6x + 9
Answer: 45 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:32
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 7, 4, 19
Answer: 10