Keystones — Bedrock
Five GCSE retrieval questions · 26 November 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 31
Answer: 46 + 31 = 77 -
2. Algebra Substitution
If x = 3, find the value of 7x + 12
Answer: 33 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:8
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 3, 12, 13, 14, 2
Answer: 8.8