Keystones — Bedrock
Five GCSE retrieval questions · 19 October 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 73
Answer: 42 + 73 = 115 -
2. Algebra Substitution
If x = 10, find the value of 3x + 9
Answer: 39 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:12
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 18, 18, 15
Answer: 17