Keystones — Bedrock
Five GCSE retrieval questions · 22 November 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 13
Answer: 43 + 13 = 56 -
2. Algebra Substitution
If x = 3, find the value of 3x + 10
Answer: 19 -
3. Geometry Converting lengths
Convert 31cm to mm
Answer: 310mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:24
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 14, 15, 20, 3
Answer: 13