Keystones — Bedrock
Five GCSE retrieval questions · 26 June 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 78
Answer: 27 + 78 = 105 -
2. Algebra Substitution
If x = 2, find the value of 6x + 12
Answer: 24 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:12
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 20, 16, 9
Answer: 15