Keystones — Bedrock
Five GCSE retrieval questions · 16 June 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 82 + 68
Answer: 82 + 68 = 150 -
2. Algebra Substitution
If x = 4, find the value of 4x + 3
Answer: 19 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:40
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 19, 7, 14, 6, 9
Answer: 11