Keystones — Bedrock
Five GCSE retrieval questions · 3 September 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 91
Answer: 31 + 91 = 122 -
2. Algebra Substitution
If x = 3, find the value of 3x + 4
Answer: 13 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:30
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 20, 17, 4
Answer: 13.666666666667