Keystones — Bedrock
Five GCSE retrieval questions · 17 September 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 66
Answer: 31 + 66 = 97 -
2. Algebra Substitution
If x = 3, find the value of 4x + 11
Answer: 23 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:6
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 8, 17, 4, 4
Answer: 8.25