Keystones — Bedrock
Five GCSE retrieval questions · 9 December 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 46
Answer: 42 + 46 = 88 -
2. Algebra Substitution
If x = 5, find the value of 2x + 4
Answer: 14 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:30
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 18, 14, 15, 20, 3
Answer: 14