Keystones — Bedrock
Five GCSE retrieval questions · 5 February 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 27
Answer: 31 + 27 = 58 -
2. Algebra Substitution
If x = 2, find the value of 3x + 3
Answer: 9 -
3. Geometry Converting lengths
Convert 19cm to mm
Answer: 190mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 5, 7, 17, 23
Answer: 13