Keystones — Bedrock
Five GCSE retrieval questions · 19 September 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 21
Answer: 23 + 21 = 44 -
2. Algebra Substitution
If x = 2, find the value of 5x + 4
Answer: 14 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:16
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 17, 10, 4
Answer: 10.333333333333