Keystones — Bedrock
Five GCSE retrieval questions · 19 December 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 12 + 42
Answer: 12 + 42 = 54 -
2. Algebra Substitution
If x = 6, find the value of 2x + 3
Answer: 15 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:4
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 18, 9, 20, 11
Answer: 14.5