Keystones — Bedrock
Five GCSE retrieval questions · 29 October 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 30
Answer: 43 + 30 = 73 -
2. Algebra Substitution
If x = 5, find the value of 2x + 7
Answer: 17 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:20
Answer: 7:5 -
5. Statistics Mean
Find the mean of: 9, 9, 5, 10
Answer: 8.25