Keystones — Bedrock
Five GCSE retrieval questions · 6 February 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 75 + 47
Answer: 75 + 47 = 122 -
2. Algebra Substitution
If x = 2, find the value of 7x + 12
Answer: 26 -
3. Geometry Converting lengths
Convert 35cm to mm
Answer: 350mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:24
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 4, 18, 18, 20
Answer: 15