Keystones — Bedrock
Five GCSE retrieval questions · 1 March 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 51 + 72
Answer: 51 + 72 = 123 -
2. Algebra Substitution
If x = 2, find the value of 6x + 9
Answer: 21 -
3. Geometry Converting lengths
Convert 16cm to mm
Answer: 160mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:30
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 16, 14, 9, 12, 9
Answer: 12