Keystones — Bedrock
Five GCSE retrieval questions · 7 October 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 57 + 92
Answer: 57 + 92 = 149 -
2. Algebra Substitution
If x = 10, find the value of 2x + 4
Answer: 24 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:30
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 19, 3, 15, 17
Answer: 13.5