Keystones — Bedrock
Five GCSE retrieval questions · 15 December 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 58 + 73
Answer: 58 + 73 = 131 -
2. Algebra Substitution
If x = 5, find the value of 4x + 12
Answer: 32 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:28
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 20, 15, 12, 8
Answer: 13.75