Keystones — Bedrock
Five GCSE retrieval questions · 7 May 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 42
Answer: 24 + 42 = 66 -
2. Algebra Substitution
If x = 6, find the value of 6x + 3
Answer: 39 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:6
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 11, 2, 17, 17, 4
Answer: 10.2