Keystones — Bedrock
Five GCSE retrieval questions · 31 July 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 80
Answer: 49 + 80 = 129 -
2. Algebra Substitution
If x = 9, find the value of 7x + 11
Answer: 74 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:14
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 2, 15, 18, 17
Answer: 13