Keystones — Bedrock
Five GCSE retrieval questions · 25 December 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 60
Answer: 24 + 60 = 84 -
2. Algebra Substitution
If x = 7, find the value of 8x + 3
Answer: 59 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 15, 5, 17, 20, 6
Answer: 12.6