Keystones — Bedrock
Five GCSE retrieval questions · 27 September 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 67 + 60
Answer: 67 + 60 = 127 -
2. Algebra Substitution
If x = 9, find the value of 4x + 6
Answer: 42 -
3. Geometry Converting lengths
Convert 37cm to mm
Answer: 370mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:30
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 20, 4, 7, 9, 17
Answer: 11.4