Keystones — Bedrock
Five GCSE retrieval questions · 5 March 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 18 + 41
Answer: 18 + 41 = 59 -
2. Algebra Substitution
If x = 4, find the value of 7x + 7
Answer: 35 -
3. Geometry Converting lengths
Convert 11cm to mm
Answer: 110mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:24
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 22, 12, 15, 3, 18
Answer: 14