Keystones — Bedrock
Five GCSE retrieval questions · 12 April 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 98 + 72
Answer: 98 + 72 = 170 -
2. Algebra Substitution
If x = 3, find the value of 4x + 6
Answer: 18 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:32
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 14, 8, 13, 17
Answer: 13