Keystones — Bedrock
Five GCSE retrieval questions · 11 March 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 13
Answer: 24 + 13 = 37 -
2. Algebra Substitution
If x = 6, find the value of 3x + 3
Answer: 21 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:10
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 13, 13, 14, 5
Answer: 11.25