Keystones — Bedrock
Five GCSE retrieval questions · 28 April 2016 · 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 5x + 12
Answer: 22 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:12
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 4, 13, 3, 20
Answer: 10