Keystones — Bedrock
Five GCSE retrieval questions · 30 January 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 25
Answer: 39 + 25 = 64 -
2. Algebra Substitution
If x = 7, find the value of 4x + 7
Answer: 35 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 10, 20, 19
Answer: 16.333333333333