Keystones — Bedrock
Five GCSE retrieval questions · 14 April 2012 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 43
Answer: 42 + 43 = 85 -
2. Algebra Substitution
If x = 6, find the value of 8x + 11
Answer: 59 -
3. Geometry Converting lengths
Convert 17cm to mm
Answer: 170mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:35
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 10, 4, 24, 10
Answer: 12