Keystones — Bedrock
Five GCSE retrieval questions · 15 April 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 24
Answer: 43 + 24 = 67 -
2. Algebra Substitution
If x = 7, find the value of 5x + 10
Answer: 45 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:20
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 18, 20, 8, 6, 18
Answer: 14