Keystones — Bedrock
Five GCSE retrieval questions · 1 October 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 35
Answer: 22 + 35 = 57 -
2. Algebra Substitution
If x = 4, find the value of 7x + 7
Answer: 35 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 32:12
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 8, 20, 14
Answer: 14