Keystones — Bedrock
Five GCSE retrieval questions · 2 April 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 72 + 61
Answer: 72 + 61 = 133 -
2. Algebra Substitution
If x = 6, find the value of 4x + 12
Answer: 36 -
3. Geometry Converting lengths
Convert 20cm to mm
Answer: 200mm -
4. Ratio Simplifying ratios
Simplify the ratio 18:6
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 3, 15, 15, 11
Answer: 11