Keystones — Bedrock
Five GCSE retrieval questions · 28 February 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 10
Answer: 40 + 10 = 50 -
2. Algebra Substitution
If x = 7, find the value of 6x + 9
Answer: 51 -
3. Geometry Converting lengths
Convert 35cm to mm
Answer: 350mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:24
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 12, 20, 3, 13
Answer: 12