Keystones — Bedrock
Five GCSE retrieval questions · 4 June 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 89
Answer: 36 + 89 = 125 -
2. Algebra Substitution
If x = 7, find the value of 3x + 5
Answer: 26 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:20
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 8, 7, 21
Answer: 12