Keystones — Bedrock
Five GCSE retrieval questions · 27 September 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 97 + 93
Answer: 97 + 93 = 190 -
2. Algebra Substitution
If x = 6, find the value of 2x + 3
Answer: 15 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 15, 11, 4, 20, 10
Answer: 12