Keystones — Bedrock
Five GCSE retrieval questions · 17 June 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 79 + 48
Answer: 79 + 48 = 127 -
2. Algebra Substitution
If x = 9, find the value of 4x + 5
Answer: 41 -
3. Geometry Converting lengths
Convert 41cm to mm
Answer: 410mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:12
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 10, 6, 14
Answer: 10