Keystones — Bedrock
Five GCSE retrieval questions · 10 December 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 44
Answer: 25 + 44 = 69 -
2. Algebra Substitution
If x = 8, find the value of 7x + 4
Answer: 60 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:12
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 3, 12, 9, 2, 19
Answer: 9