Keystones — Bedrock
Five GCSE retrieval questions · 2 June 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 18 + 30
Answer: 18 + 30 = 48 -
2. Algebra Substitution
If x = 5, find the value of 5x + 9
Answer: 34 -
3. Geometry Converting lengths
Convert 31cm to mm
Answer: 310mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:24
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 14, 9, 19
Answer: 14