Keystones — Bedrock
Five GCSE retrieval questions · 9 August 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 31
Answer: 13 + 31 = 44 -
2. Algebra Substitution
If x = 6, find the value of 5x + 10
Answer: 40 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:10
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 8, 20, 6, 14, 14
Answer: 12.4