Keystones — Bedrock
Five GCSE retrieval questions · 26 May 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 62 + 98
Answer: 62 + 98 = 160 -
2. Algebra Substitution
If x = 3, find the value of 2x + 4
Answer: 10 -
3. Geometry Converting lengths
Convert 20m to cm
Answer: 2000cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:15
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 9, 12, 16, 18, 10
Answer: 13