Keystones — Bedrock
Five GCSE retrieval questions · 20 August 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 14
Answer: 49 + 14 = 63 -
2. Algebra Substitution
If x = 9, find the value of 3x + 10
Answer: 37 -
3. Geometry Converting lengths
Convert 23cm to mm
Answer: 230mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:32
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 15, 12, 18
Answer: 15