Keystones — Bedrock
Five GCSE retrieval questions · 13 February 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 46
Answer: 32 + 46 = 78 -
2. Algebra Substitution
If x = 3, find the value of 7x + 9
Answer: 30 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:12
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 10, 5, 5, 14, 11
Answer: 9