Keystones — Bedrock
Five GCSE retrieval questions · 18 September 2012 · 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 8x + 4
Answer: 36 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:24
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 5, 7, 12
Answer: 8