Keystones — Bedrock
Five GCSE retrieval questions · 28 June 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 90 + 24
Answer: 90 + 24 = 114 -
2. Algebra Substitution
If x = 3, find the value of 3x + 11
Answer: 20 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:6
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 6, 20, 14, 16, 4
Answer: 12