Keystones — Bedrock
Five GCSE retrieval questions · 22 February 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 51
Answer: 33 + 51 = 84 -
2. Algebra Substitution
If x = 7, find the value of 2x + 3
Answer: 17 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:24
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 9, 10, 2, 15, 13
Answer: 9.8