Keystones — Bedrock
Five GCSE retrieval questions · 4 February 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 79 + 67
Answer: 79 + 67 = 146 -
2. Algebra Substitution
If x = 8, find the value of 6x + 11
Answer: 59 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:16
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 8, 17, 14
Answer: 13