Keystones — Bedrock
Five GCSE retrieval questions · 1 April 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 82
Answer: 33 + 82 = 115 -
2. Algebra Substitution
If x = 5, find the value of 2x + 5
Answer: 15 -
3. Geometry Converting lengths
Convert 18cm to mm
Answer: 180mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:32
Answer: 3:8 -
5. Statistics Mean
Find the mean of: 9, 16, 20
Answer: 15