Keystones — Bedrock
Five GCSE retrieval questions · 3 February 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 11 + 42
Answer: 11 + 42 = 53 -
2. Algebra Substitution
If x = 9, find the value of 6x + 10
Answer: 64 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:20
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 10, 17, 19, 13, 11
Answer: 14