Keystones — Bedrock
Five GCSE retrieval questions · 17 October 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 19 + 33
Answer: 19 + 33 = 52 -
2. Algebra Substitution
If x = 5, find the value of 4x + 12
Answer: 32 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:24
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 11, 10, 8, 20, 9
Answer: 11.6