Keystones — Bedrock
Five GCSE retrieval questions · 28 August 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 44
Answer: 43 + 44 = 87 -
2. Algebra Substitution
If x = 7, find the value of 3x + 3
Answer: 24 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:35
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 8, 18, 9, 11, 7
Answer: 10.6