Keystones — Bedrock
Five GCSE retrieval questions · 19 May 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 53 + 21
Answer: 53 + 21 = 74 -
2. Algebra Substitution
If x = 4, find the value of 3x + 5
Answer: 17 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:25
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 6, 15, 6
Answer: 9