Keystones — Bedrock
Five GCSE retrieval questions · 11 October 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 97 + 87
Answer: 97 + 87 = 184 -
2. Algebra Substitution
If x = 2, find the value of 8x + 12
Answer: 28 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:30
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 3, 5, 10
Answer: 6