Keystones — Bedrock
Five GCSE retrieval questions · 7 March 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 43
Answer: 35 + 43 = 78 -
2. Algebra Substitution
If x = 8, find the value of 7x + 3
Answer: 59 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:4
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 2, 4, 4, 3, 12
Answer: 5