Keystones — Bedrock
Five GCSE retrieval questions · 30 April 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 23
Answer: 40 + 23 = 63 -
2. Algebra Substitution
If x = 3, find the value of 5x + 10
Answer: 25 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:30
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 2, 3, 12, 15
Answer: 8