Keystones — Bedrock
Five GCSE retrieval questions · 3 December 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 85
Answer: 25 + 85 = 110 -
2. Algebra Substitution
If x = 2, find the value of 2x + 8
Answer: 12 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:10
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 17, 16, 13, 10
Answer: 14