Keystones — Bedrock
Five GCSE retrieval questions · 29 July 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 17
Answer: 39 + 17 = 56 -
2. Algebra Substitution
If x = 4, find the value of 6x + 8
Answer: 32 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:12
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 2, 18, 15, 17, 13
Answer: 13