Keystones — Bedrock
Five GCSE retrieval questions · 5 July 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 79 + 23
Answer: 79 + 23 = 102 -
2. Algebra Substitution
If x = 2, find the value of 2x + 3
Answer: 7 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:14
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 17, 15, 5, 13
Answer: 12.5