Keystones — Bedrock
Five GCSE retrieval questions · 22 September 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 14
Answer: 27 + 14 = 41 -
2. Algebra Substitution
If x = 9, find the value of 3x + 4
Answer: 31 -
3. Geometry Converting lengths
Convert 31cm to mm
Answer: 310mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:10
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 4, 3, 8, 13
Answer: 7