Keystones — Bedrock
Five GCSE retrieval questions · 22 September 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 81
Answer: 22 + 81 = 103 -
2. Algebra Substitution
If x = 6, find the value of 7x + 7
Answer: 49 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:14
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 15, 2, 4
Answer: 7