Keystones — Bedrock
Five GCSE retrieval questions · 6 February 2011 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 47
Answer: 44 + 47 = 91 -
2. Algebra Substitution
If x = 8, find the value of 7x + 10
Answer: 66 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 13, 2, 12
Answer: 9