Keystones — Bedrock
Five GCSE retrieval questions · 27 October 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 23
Answer: 28 + 23 = 51 -
2. Algebra Substitution
If x = 6, find the value of 6x + 4
Answer: 40 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:25
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 17, 8, 17
Answer: 14