Keystones — Bedrock
Five GCSE retrieval questions · 29 August 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 72 + 67
Answer: 72 + 67 = 139 -
2. Algebra Substitution
If x = 8, find the value of 3x + 7
Answer: 31 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:30
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 14, 4, 7
Answer: 8.3333333333333