Keystones — Bedrock
Five GCSE retrieval questions · 28 March 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 98
Answer: 42 + 98 = 140 -
2. Algebra Substitution
If x = 4, find the value of 3x + 4
Answer: 16 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:8
Answer: 7:4 -
5. Statistics Mean
Find the mean of: 15, 20, 7
Answer: 14