Keystones — Bedrock
Five GCSE retrieval questions · 25 January 2023 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 66 + 72
Answer: 66 + 72 = 138 -
2. Algebra Substitution
If x = 8, find the value of 6x + 11
Answer: 59 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:9
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 16, 9, 14, 19, 18
Answer: 15.2