Keystones — Bedrock
Five GCSE retrieval questions · 2 November 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 93 + 39
Answer: 93 + 39 = 132 -
2. Algebra Substitution
If x = 3, find the value of 7x + 8
Answer: 29 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:10
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 4, 17, 14, 5
Answer: 10