Keystones — Bedrock
Five GCSE retrieval questions · 4 December 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 47
Answer: 41 + 47 = 88 -
2. Algebra Substitution
If x = 10, find the value of 2x + 3
Answer: 23 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:12
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 5, 12, 20, 4
Answer: 10.25