Keystones — Bedrock
Five GCSE retrieval questions · 18 June 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 25
Answer: 30 + 25 = 55 -
2. Algebra Substitution
If x = 4, find the value of 6x + 4
Answer: 28 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:18
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 8, 19, 6
Answer: 11