Keystones — Bedrock
Five GCSE retrieval questions · 24 September 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 30
Answer: 40 + 30 = 70 -
2. Algebra Substitution
If x = 4, find the value of 8x + 10
Answer: 42 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 6, 9, 6, 17, 3
Answer: 8.2