Keystones — Bedrock
Five GCSE retrieval questions · 27 August 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 20 + 34
Answer: 20 + 34 = 54 -
2. Algebra Substitution
If x = 7, find the value of 8x + 5
Answer: 61 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:20
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 19, 11, 2, 18, 25
Answer: 15