Keystones — Bedrock
Five GCSE retrieval questions · 2 February 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 36
Answer: 40 + 36 = 76 -
2. Algebra Substitution
If x = 3, find the value of 5x + 10
Answer: 25 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:12
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 18, 22, 7, 11, 2
Answer: 12