Keystones — Bedrock
Five GCSE retrieval questions · 15 March 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 26
Answer: 31 + 26 = 57 -
2. Algebra Substitution
If x = 8, find the value of 6x + 4
Answer: 52 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:40
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 12, 12, 19, 3, 15
Answer: 12.2