Keystones — Bedrock
Five GCSE retrieval questions · 24 April 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 93 + 37
Answer: 93 + 37 = 130 -
2. Algebra Substitution
If x = 7, find the value of 7x + 12
Answer: 61 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 28:8
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 4, 5, 9, 16, 11
Answer: 9