Keystones — Bedrock
Five GCSE retrieval questions · 31 May 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 40
Answer: 21 + 40 = 61 -
2. Algebra Substitution
If x = 10, find the value of 4x + 6
Answer: 46 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:25
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 10, 17, 7, 4
Answer: 9.5