Keystones — Bedrock
Five GCSE retrieval questions · 19 September 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 24
Answer: 30 + 24 = 54 -
2. Algebra Substitution
If x = 9, find the value of 3x + 9
Answer: 36 -
3. Geometry Converting lengths
Convert 13cm to mm
Answer: 130mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:21
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 2, 7, 6
Answer: 5