Keystones — Bedrock
Five GCSE retrieval questions · 29 May 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 20
Answer: 22 + 20 = 42 -
2. Algebra Substitution
If x = 2, find the value of 5x + 10
Answer: 20 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:14
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 13, 8, 11, 15, 3
Answer: 10