Keystones — Bedrock
Five GCSE retrieval questions · 17 August 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 79
Answer: 31 + 79 = 110 -
2. Algebra Substitution
If x = 3, find the value of 3x + 10
Answer: 19 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:10
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 14, 18, 16, 20
Answer: 17