Understand that a multiplicative relationship between two quantities can be expressed as a ratio; use ratio notation; simplify ratios
A first look
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Question 1 of 3
A necklace contains red beads and blue beads. The ratio of red beads to blue beads is 2:5. What fraction of the total beads are blue?
Question 2 of 3
A coach says, “For every 7 soccer drills we run, we do 12 basketball drills.” Which statement correctly describes the number of soccer drills as a fraction of the basketball drills?
Question 3 of 3
A sack of toys contains green and yellow marbles. The description says, “for every 3 green marbles there are 8 yellow marbles.” Which statement correctly explains why this relationship can be written as 3:8 and also as 3/8 of the yellow marbles?
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