Keystones — Bedrock
Five GCSE retrieval questions · 5 April 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 49
Answer: 24 + 49 = 73 -
2. Algebra Substitution
If x = 2, find the value of 3x + 3
Answer: 9 -
3. Geometry Converting lengths
Convert 16cm to mm
Answer: 160mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:21
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 9, 18, 2, 17, 4
Answer: 10