Keystones — Bedrock
Five GCSE retrieval questions · 12 August 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 27
Answer: 30 + 27 = 57 -
2. Algebra Substitution
If x = 2, find the value of 4x + 11
Answer: 19 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 17, 13, 4, 2, 19
Answer: 11