Keystones — Bedrock
Five GCSE retrieval questions · 31 December 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 51 + 62
Answer: 51 + 62 = 113 -
2. Algebra Substitution
If x = 3, find the value of 5x + 5
Answer: 20 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:25
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 13, 6, 8
Answer: 9