Keystones — Bedrock
Five GCSE retrieval questions · 14 November 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 63
Answer: 36 + 63 = 99 -
2. Algebra Substitution
If x = 2, find the value of 6x + 9
Answer: 21 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:30
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 23, 5, 5
Answer: 11