Keystones — Bedrock
Five GCSE retrieval questions · 15 May 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 88 + 25
Answer: 88 + 25 = 113 -
2. Algebra Substitution
If x = 7, find the value of 4x + 7
Answer: 35 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:10
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 10, 14, 17, 11
Answer: 13