Keystones — Bedrock
Five GCSE retrieval questions · 6 December 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 17
Answer: 40 + 17 = 57 -
2. Algebra Substitution
If x = 4, find the value of 8x + 11
Answer: 43 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:12
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 18, 9, 5, 12
Answer: 11