Keystones — Bedrock
Five GCSE retrieval questions · 21 December 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 53 + 97
Answer: 53 + 97 = 150 -
2. Algebra Substitution
If x = 2, find the value of 3x + 10
Answer: 16 -
3. Geometry Converting lengths
Convert 13cm to mm
Answer: 130mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:15
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 12, 13, 2
Answer: 9