Keystones — Bedrock
Five GCSE retrieval questions · 24 April 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 47 + 36
Answer: 47 + 36 = 83 -
2. Algebra Substitution
If x = 10, find the value of 3x + 5
Answer: 35 -
3. Geometry Converting lengths
Convert 33cm to mm
Answer: 330mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:14
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 15, 4, 18, 10, 13
Answer: 12