Keystones — Bedrock
Five GCSE retrieval questions · 22 July 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 89 + 82
Answer: 89 + 82 = 171 -
2. Algebra Substitution
If x = 2, find the value of 5x + 8
Answer: 18 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:25
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 11, 17, 17
Answer: 15