Keystones — Bedrock
Five GCSE retrieval questions · 6 April 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 47
Answer: 41 + 47 = 88 -
2. Algebra Substitution
If x = 5, find the value of 7x + 9
Answer: 44 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:21
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 17, 18, 5, 8
Answer: 12