Keystones — Bedrock
Five GCSE retrieval questions · 25 October 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 17
Answer: 44 + 17 = 61 -
2. Algebra Substitution
If x = 7, find the value of 6x + 7
Answer: 49 -
3. Geometry Converting lengths
Convert 48cm to mm
Answer: 480mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:30
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 17, 20, 20, 15, 10
Answer: 16.4