Keystones — Bedrock
Five GCSE retrieval questions · 15 January 2023 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 57 + 99
Answer: 57 + 99 = 156 -
2. Algebra Substitution
If x = 9, find the value of 6x + 12
Answer: 66 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:35
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 18, 18, 19, 3
Answer: 14.5