Keystones — Bedrock
Five GCSE retrieval questions · 20 May 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 47
Answer: 17 + 47 = 64 -
2. Algebra Substitution
If x = 5, find the value of 3x + 3
Answer: 18 -
3. Geometry Converting lengths
Convert 36cm to mm
Answer: 360mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:10
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 2, 4, 16, 10
Answer: 8