Keystones — Bedrock
Five GCSE retrieval questions · 15 February 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 71 + 42
Answer: 71 + 42 = 113 -
2. Algebra Substitution
If x = 2, find the value of 7x + 6
Answer: 20 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:30
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 2, 16, 2, 16, 9
Answer: 9