Keystones — Bedrock
Five GCSE retrieval questions · 18 September 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 43
Answer: 43 + 43 = 86 -
2. Algebra Substitution
If x = 9, find the value of 7x + 7
Answer: 70 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:10
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 15, 11, 2, 9, 20
Answer: 11.4