Keystones — Bedrock
Five GCSE retrieval questions · 5 March 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 47
Answer: 35 + 47 = 82 -
2. Algebra Substitution
If x = 2, find the value of 3x + 6
Answer: 12 -
3. Geometry Converting lengths
Convert 49cm to mm
Answer: 490mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:20
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 9, 20, 7
Answer: 12