Keystones — Bedrock
Five GCSE retrieval questions · 5 April 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 68
Answer: 40 + 68 = 108 -
2. Algebra Substitution
If x = 6, find the value of 2x + 4
Answer: 16 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:20
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 15, 15, 18, 4
Answer: 13