Keystones — Bedrock
Five GCSE retrieval questions · 15 September 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 37 + 80
Answer: 37 + 80 = 117 -
2. Algebra Substitution
If x = 9, find the value of 3x + 5
Answer: 32 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:24
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 12, 4, 18
Answer: 11.333333333333