Keystones — Bedrock
Five GCSE retrieval questions · 19 October 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 43
Answer: 23 + 43 = 66 -
2. Algebra Substitution
If x = 9, find the value of 7x + 11
Answer: 74 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:15
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 17, 13, 13
Answer: 14.333333333333