Keystones — Bedrock
Five GCSE retrieval questions · 27 September 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 41
Answer: 23 + 41 = 64 -
2. Algebra Substitution
If x = 2, find the value of 4x + 8
Answer: 16 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:16
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 18, 15, 12, 6, 6
Answer: 11.4