Keystones — Bedrock
Five GCSE retrieval questions · 15 June 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 34
Answer: 38 + 34 = 72 -
2. Algebra Substitution
If x = 10, find the value of 6x + 8
Answer: 68 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:10
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 15, 9, 17, 20, 6
Answer: 13.4