Keystones — Bedrock
Five GCSE retrieval questions · 11 July 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 16 + 42
Answer: 16 + 42 = 58 -
2. Algebra Substitution
If x = 4, find the value of 3x + 4
Answer: 16 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:10
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 7, 15, 18, 13, 2
Answer: 11