Keystones — Bedrock
Five GCSE retrieval questions · 24 April 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 23
Answer: 17 + 23 = 40 -
2. Algebra Substitution
If x = 3, find the value of 7x + 3
Answer: 24 -
3. Geometry Converting lengths
Convert 22cm to mm
Answer: 220mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:8
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 20, 16, 3, 14, 7
Answer: 12