Keystones — Bedrock
Five GCSE retrieval questions · 2 December 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 27
Answer: 32 + 27 = 59 -
2. Algebra Substitution
If x = 6, find the value of 4x + 8
Answer: 32 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:15
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 15, 13, 4, 11, 12
Answer: 11