Keystones — Bedrock
Five GCSE retrieval questions · 29 January 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 40
Answer: 43 + 40 = 83 -
2. Algebra Substitution
If x = 3, find the value of 2x + 4
Answer: 10 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:10
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 3, 19, 12, 2
Answer: 9