Keystones — Bedrock
Five GCSE retrieval questions · 20 March 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 39
Answer: 41 + 39 = 80 -
2. Algebra Substitution
If x = 2, find the value of 4x + 6
Answer: 14 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:35
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 5, 15, 16, 4
Answer: 10