Keystones — Bedrock
Five GCSE retrieval questions · 22 January 2023 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 61 + 30
Answer: 61 + 30 = 91 -
2. Algebra Substitution
If x = 8, find the value of 2x + 7
Answer: 23 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 19, 7, 17, 6, 5
Answer: 10.8