Keystones — Bedrock
Five GCSE retrieval questions · 5 May 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 82 + 70
Answer: 82 + 70 = 152 -
2. Algebra Substitution
If x = 10, find the value of 6x + 10
Answer: 70 -
3. Geometry Converting lengths
Convert 38cm to mm
Answer: 380mm -
4. Ratio Simplifying ratios
Simplify the ratio 14:4
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 16, 7, 7, 2
Answer: 8