Keystones — Bedrock
Five GCSE retrieval questions · 20 July 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 36
Answer: 40 + 36 = 76 -
2. Algebra Substitution
If x = 6, find the value of 4x + 7
Answer: 31 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:15
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 16, 10, 16, 8
Answer: 12.5