Keystones — Bedrock
Five GCSE retrieval questions · 25 September 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 40
Answer: 30 + 40 = 70 -
2. Algebra Substitution
If x = 5, find the value of 5x + 5
Answer: 30 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:35
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 17, 10, 12, 8, 8
Answer: 11