Keystones — Bedrock
Five GCSE retrieval questions · 21 March 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 30
Answer: 22 + 30 = 52 -
2. Algebra Substitution
If x = 10, find the value of 4x + 12
Answer: 52 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:25
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 10, 4, 13, 13
Answer: 10