Keystones — Bedrock
Five GCSE retrieval questions · 26 June 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 90 + 31
Answer: 90 + 31 = 121 -
2. Algebra Substitution
If x = 5, find the value of 5x + 4
Answer: 29 -
3. Geometry Converting lengths
Convert 5cm to mm
Answer: 50mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:25
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 9, 19, 5
Answer: 11