Keystones — Bedrock
Five GCSE retrieval questions · 3 February 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 53 + 63
Answer: 53 + 63 = 116 -
2. Algebra Substitution
If x = 3, find the value of 7x + 9
Answer: 30 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:35
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 13, 17, 10
Answer: 13.333333333333