Keystones — Bedrock
Five GCSE retrieval questions · 24 June 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 20
Answer: 43 + 20 = 63 -
2. Algebra Substitution
If x = 3, find the value of 3x + 12
Answer: 21 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:20
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 2, 11, 14, 11, 7
Answer: 9