Keystones — Bedrock
Five GCSE retrieval questions · 6 November 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 72 + 59
Answer: 72 + 59 = 131 -
2. Algebra Substitution
If x = 6, find the value of 6x + 12
Answer: 48 -
3. Geometry Converting lengths
Convert 3m to cm
Answer: 300cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:20
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 12, 3, 3, 4, 8
Answer: 6