Keystones — Bedrock
Five GCSE retrieval questions · 13 February 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 93 + 74
Answer: 93 + 74 = 167 -
2. Algebra Substitution
If x = 10, find the value of 7x + 11
Answer: 81 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:24
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 12, 5, 9
Answer: 8.6666666666667