Keystones — Bedrock
Five GCSE retrieval questions · 4 October 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 30
Answer: 43 + 30 = 73 -
2. Algebra Substitution
If x = 10, find the value of 7x + 4
Answer: 74 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:40
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 5, 12, 10
Answer: 9