Keystones — Bedrock
Five GCSE retrieval questions · 29 June 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 21
Answer: 43 + 21 = 64 -
2. Algebra Substitution
If x = 3, find the value of 4x + 8
Answer: 20 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:30
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 15, 9, 10, 19, 6
Answer: 11.8