Keystones — Bedrock
Five GCSE retrieval questions · 3 September 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 24 + 15
Answer: 24 + 15 = 39 -
2. Algebra Substitution
If x = 9, find the value of 7x + 3
Answer: 66 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:6
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 16, 2, 10, 11, 1
Answer: 8