Keystones — Bedrock
Five GCSE retrieval questions · 20 May 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 95 + 83
Answer: 95 + 83 = 178 -
2. Algebra Substitution
If x = 2, find the value of 8x + 10
Answer: 26 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:30
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 6, 15, 16, 16
Answer: 13.25