Keystones — Bedrock
Five GCSE retrieval questions · 23 October 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 23
Answer: 26 + 23 = 49 -
2. Algebra Substitution
If x = 4, find the value of 2x + 6
Answer: 14 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:6
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 6, 14, 19, 15, 7
Answer: 12.2