Keystones — Bedrock
Five GCSE retrieval questions · 7 January 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 98 + 81
Answer: 98 + 81 = 179 -
2. Algebra Substitution
If x = 2, find the value of 8x + 9
Answer: 25 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:15
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 10, 6, 11, 7, 14
Answer: 9.6