Keystones — Bedrock
Five GCSE retrieval questions · 1 June 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 38
Answer: 32 + 38 = 70 -
2. Algebra Substitution
If x = 10, find the value of 4x + 11
Answer: 51 -
3. Geometry Converting lengths
Convert 45cm to mm
Answer: 450mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:25
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 16, 10, 4, 11, 4
Answer: 9