Keystones — Bedrock
Five GCSE retrieval questions · 26 November 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 45
Answer: 43 + 45 = 88 -
2. Algebra Substitution
If x = 10, find the value of 5x + 4
Answer: 54 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:12
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 16, 18, 17, 11, 20
Answer: 16.4