Keystones — Bedrock
Five GCSE retrieval questions · 2 January 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 16
Answer: 17 + 16 = 33 -
2. Algebra Substitution
If x = 2, find the value of 3x + 3
Answer: 9 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:32
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 19, 11, 12, 9, 4
Answer: 11