Keystones — Bedrock
Five GCSE retrieval questions · 7 April 2010 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 46
Answer: 49 + 46 = 95 -
2. Algebra Substitution
If x = 4, find the value of 8x + 10
Answer: 42 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:16
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 14, 3, 4, 11, 13
Answer: 9