Keystones — Bedrock
Five GCSE retrieval questions · 5 January 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 67 + 48
Answer: 67 + 48 = 115 -
2. Algebra Substitution
If x = 7, find the value of 2x + 12
Answer: 26 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:40
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 16, 20, 12, 2, 20
Answer: 14