Keystones — Bedrock
Five GCSE retrieval questions · 30 July 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 10
Answer: 35 + 10 = 45 -
2. Algebra Substitution
If x = 5, find the value of 5x + 12
Answer: 37 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:8
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 17, 13, 12
Answer: 14