Keystones — Bedrock
Five GCSE retrieval questions · 6 March 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 72 + 85
Answer: 72 + 85 = 157 -
2. Algebra Substitution
If x = 5, find the value of 5x + 4
Answer: 29 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 16, 10, 19, 4
Answer: 12.25