Keystones — Bedrock
Five GCSE retrieval questions · 25 October 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 20
Answer: 30 + 20 = 50 -
2. Algebra Substitution
If x = 2, find the value of 6x + 10
Answer: 22 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:40
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 3, 17, 17
Answer: 12.333333333333