Keystones — Bedrock
Five GCSE retrieval questions · 16 March 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 95
Answer: 30 + 95 = 125 -
2. Algebra Substitution
If x = 7, find the value of 4x + 6
Answer: 34 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:28
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 16, 17, 2, 23, 12
Answer: 14