Keystones — Bedrock
Five GCSE retrieval questions · 19 July 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 40
Answer: 25 + 40 = 65 -
2. Algebra Substitution
If x = 2, find the value of 5x + 11
Answer: 21 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:10
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 7, 10, 10, 2, 14
Answer: 8.6