Keystones — Bedrock
Five GCSE retrieval questions · 20 November 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 49
Answer: 33 + 49 = 82 -
2. Algebra Substitution
If x = 8, find the value of 7x + 4
Answer: 60 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:20
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 9, 13, 17, 14, 13
Answer: 13.2