Keystones — Bedrock
Five GCSE retrieval questions · 7 August 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 28
Answer: 47 + 28 = 75 -
2. Algebra Substitution
If x = 4, find the value of 2x + 3
Answer: 11 -
3. Geometry Converting lengths
Convert 25cm to mm
Answer: 250mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:10
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 2, 19, 18, 13
Answer: 13