Keystones — Bedrock
Five GCSE retrieval questions · 14 September 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 59 + 88
Answer: 59 + 88 = 147 -
2. Algebra Substitution
If x = 4, find the value of 4x + 3
Answer: 19 -
3. Geometry Converting lengths
Convert 42cm to mm
Answer: 420mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:10
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 1, 6, 20
Answer: 9