Keystones — Bedrock
Five GCSE retrieval questions · 30 November 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 13
Answer: 25 + 13 = 38 -
2. Algebra Substitution
If x = 10, find the value of 2x + 8
Answer: 28 -
3. Geometry Converting lengths
Convert 47cm to mm
Answer: 470mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:10
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 13, 9, 17
Answer: 13