Keystones — Bedrock
Five GCSE retrieval questions · 15 May 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 12
Answer: 49 + 12 = 61 -
2. Algebra Substitution
If x = 3, find the value of 3x + 12
Answer: 21 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:18
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 7, 20, 3, 6, 4
Answer: 8