Keystones — Bedrock
Five GCSE retrieval questions · 27 January 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 38
Answer: 25 + 38 = 63 -
2. Algebra Substitution
If x = 4, find the value of 3x + 3
Answer: 15 -
3. Geometry Converting lengths
Convert 31cm to mm
Answer: 310mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 16, 15, 6, 7, 11
Answer: 11