Keystones — Bedrock
Five GCSE retrieval questions · 11 September 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 37 + 40
Answer: 37 + 40 = 77 -
2. Algebra Substitution
If x = 7, find the value of 7x + 8
Answer: 57 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:32
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 9, 11, 2, 18, 9
Answer: 9.8