Keystones — Bedrock
Five GCSE retrieval questions · 18 March 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 83
Answer: 26 + 83 = 109 -
2. Algebra Substitution
If x = 10, find the value of 3x + 7
Answer: 37 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:18
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 9, 23, 13
Answer: 15