Keystones — Bedrock
Five GCSE retrieval questions · 16 July 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 25
Answer: 20 + 25 = 45 -
2. Algebra Substitution
If x = 9, find the value of 6x + 9
Answer: 63 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:10
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 19, 15, 9, 8, 8
Answer: 11.8