Keystones — Bedrock
Five GCSE retrieval questions · 10 October 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 30
Answer: 25 + 30 = 55 -
2. Algebra Substitution
If x = 2, find the value of 6x + 9
Answer: 21 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:25
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 17, 19, 2, 2
Answer: 10