Keystones — Bedrock
Five GCSE retrieval questions · 24 November 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 19 + 25
Answer: 19 + 25 = 44 -
2. Algebra Substitution
If x = 7, find the value of 4x + 3
Answer: 31 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:4
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 20, 2, 13, 13
Answer: 12