Keystones — Bedrock
Five GCSE retrieval questions · 4 March 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 49
Answer: 22 + 49 = 71 -
2. Algebra Substitution
If x = 5, find the value of 3x + 8
Answer: 23 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:20
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 6, 19, 14, 15, 13
Answer: 13.4