Keystones — Bedrock
Five GCSE retrieval questions · 12 November 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 40
Answer: 48 + 40 = 88 -
2. Algebra Substitution
If x = 5, find the value of 2x + 4
Answer: 14 -
3. Geometry Converting lengths
Convert 46cm to mm
Answer: 460mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:30
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 21, 12, 12
Answer: 15