Keystones — Bedrock
Five GCSE retrieval questions · 23 February 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 39
Answer: 49 + 39 = 88 -
2. Algebra Substitution
If x = 6, find the value of 2x + 4
Answer: 16 -
3. Geometry Converting lengths
Convert 43cm to mm
Answer: 430mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:12
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 9, 6, 19, 19, 16
Answer: 13.8