Keystones — Bedrock
Five GCSE retrieval questions · 23 January 2023 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 14 + 25
Answer: 14 + 25 = 39 -
2. Algebra Substitution
If x = 7, find the value of 3x + 10
Answer: 31 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:30
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 15, 4, 17, 16
Answer: 13