Keystones — Bedrock
Five GCSE retrieval questions · 11 April 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 59 + 61
Answer: 59 + 61 = 120 -
2. Algebra Substitution
If x = 2, find the value of 8x + 6
Answer: 22 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:14
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 18, 9, 7, 17, 14
Answer: 13