Keystones — Bedrock
Five GCSE retrieval questions · 29 October 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 70 + 82
Answer: 70 + 82 = 152 -
2. Algebra Substitution
If x = 6, find the value of 5x + 10
Answer: 40 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 19, 19, 7
Answer: 15