Keystones — Bedrock
Five GCSE retrieval questions · 24 June 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 16 + 32
Answer: 16 + 32 = 48 -
2. Algebra Substitution
If x = 7, find the value of 6x + 9
Answer: 51 -
3. Geometry Converting lengths
Convert 46cm to mm
Answer: 460mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:21
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 8, 11, 18, 2, 17
Answer: 11.2