Keystones — Bedrock
Five GCSE retrieval questions · 8 April 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 40
Answer: 45 + 40 = 85 -
2. Algebra Substitution
If x = 10, find the value of 8x + 3
Answer: 83 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:9
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 9, 20, 5, 18
Answer: 13