Keystones — Bedrock
Five GCSE retrieval questions · 26 October 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 18 + 15
Answer: 18 + 15 = 33 -
2. Algebra Substitution
If x = 5, find the value of 7x + 12
Answer: 47 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:30
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 19, 8, 3
Answer: 10