Keystones — Bedrock
Five GCSE retrieval questions · 22 July 2013 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 47
Answer: 42 + 47 = 89 -
2. Algebra Substitution
If x = 2, find the value of 4x + 5
Answer: 13 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:30
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 8, 12, 4, 16
Answer: 10