Keystones — Bedrock
Five GCSE retrieval questions · 10 October 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 47
Answer: 29 + 47 = 76 -
2. Algebra Substitution
If x = 5, find the value of 4x + 12
Answer: 32 -
3. Geometry Converting lengths
Convert 13cm to mm
Answer: 130mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:40
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 14, 2, 8, 3
Answer: 6.75