Keystones — Bedrock
Five GCSE retrieval questions · 8 April 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 63 + 91
Answer: 63 + 91 = 154 -
2. Algebra Substitution
If x = 8, find the value of 2x + 4
Answer: 20 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 20, 9, 7
Answer: 12