Keystones — Bedrock
Five GCSE retrieval questions · 10 July 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 90 + 65
Answer: 90 + 65 = 155 -
2. Algebra Substitution
If x = 5, find the value of 3x + 9
Answer: 24 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:15
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 10, 4, 11, 13, 7
Answer: 9