Keystones — Bedrock
Five GCSE retrieval questions · 23 February 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 42
Answer: 42 + 42 = 84 -
2. Algebra Substitution
If x = 2, find the value of 8x + 12
Answer: 28 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:6
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 7, 4, 13
Answer: 8