Keystones — Bedrock
Five GCSE retrieval questions · 22 April 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 27 + 86
Answer: 27 + 86 = 113 -
2. Algebra Substitution
If x = 2, find the value of 7x + 11
Answer: 25 -
3. Geometry Converting lengths
Convert 31cm to mm
Answer: 310mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:10
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 20, 5, 14
Answer: 13