Keystones — Bedrock
Five GCSE retrieval questions · 30 March 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 46 + 41
Answer: 46 + 41 = 87 -
2. Algebra Substitution
If x = 2, find the value of 5x + 3
Answer: 13 -
3. Geometry Converting lengths
Convert 29cm to mm
Answer: 290mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:28
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 10, 3, 15, 9, 8
Answer: 9