Keystones — Bedrock
Five GCSE retrieval questions · 20 May 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 78 + 28
Answer: 78 + 28 = 106 -
2. Algebra Substitution
If x = 3, find the value of 3x + 3
Answer: 12 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:10
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 4, 12, 14, 18
Answer: 12