Keystones — Bedrock
Five GCSE retrieval questions · 5 July 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 16 + 12
Answer: 16 + 12 = 28 -
2. Algebra Substitution
If x = 3, find the value of 3x + 7
Answer: 16 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 9, 10, 7, 12, 17
Answer: 11