Keystones — Bedrock
Five GCSE retrieval questions · 16 April 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 75
Answer: 43 + 75 = 118 -
2. Algebra Substitution
If x = 3, find the value of 8x + 4
Answer: 28 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:8
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 11, 12, 18, 10, 9
Answer: 12