Keystones — Bedrock
Five GCSE retrieval questions · 6 June 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 41
Answer: 42 + 41 = 83 -
2. Algebra Substitution
If x = 2, find the value of 4x + 11
Answer: 19 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:8
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 8, 5, 15, 17, 5
Answer: 10