Keystones — Bedrock
Five GCSE retrieval questions · 19 August 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 40
Answer: 17 + 40 = 57 -
2. Algebra Substitution
If x = 9, find the value of 4x + 8
Answer: 44 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:16
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 3, 15, 2, 13, 9
Answer: 8.4