Keystones — Bedrock
Five GCSE retrieval questions · 17 December 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 58 + 20
Answer: 58 + 20 = 78 -
2. Algebra Substitution
If x = 8, find the value of 8x + 4
Answer: 68 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:40
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 11, 9, 4
Answer: 8