Keystones — Bedrock
Five GCSE retrieval questions · 31 July 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 12
Answer: 20 + 12 = 32 -
2. Algebra Substitution
If x = 3, find the value of 6x + 5
Answer: 23 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:6
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 5, 6, 17, 14
Answer: 10.5