Keystones — Bedrock
Five GCSE retrieval questions · 5 February 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 18
Answer: 41 + 18 = 59 -
2. Algebra Substitution
If x = 2, find the value of 3x + 10
Answer: 16 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 19, 3, 1, 5, 12
Answer: 8