Ratios & Unit Rates 6.1-6.2. Ratio A ratio is a comparison of two numbers by division. Each number...
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Transcript of Ratios & Unit Rates 6.1-6.2. Ratio A ratio is a comparison of two numbers by division. Each number...
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Ratios & Unit RatesRatios & Unit RatesRatios & Unit RatesRatios & Unit Rates
6.1-6.26.1-6.2
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Ratio• A ratio is a comparison of two
numbers by division. Each number in a ratio is called a term.
• There are three ways to write ratios.Ex: 6 cups parts mix to 2 cups pretzels1. 6 to 2 (words)2. 6:2 (With a symbol)3. 6/2 (As a fraction)
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Example 1: 3 Ways to Write a Ratio
PARTY MIXMakes 6 Cups
• 4 cups cereal• 2 cups pretzels
• 3 tbsp Worcestershire
Sauce
Use the party mix recipe at the left. Write each ratio in 3 ways.
a. Amount of cereal to amount of pretzels
b. Amount of cereal to amount of party mix
c. Amount of pretzels to cereal
d. Amount of pretzels to party mix
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Example 1 answersa. 4 to 2, 4:2, 4/2b. 4 to 6, 4:6, 4/6c. 2 to 4, 2:4, 2/4d. 2 to 6, 2:6, 2/6
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Equal Ratios• Two ratios that name the same
number are equal ratios. You can find equal ratios by multiplying or dividing each term of a ratio by the same nonzero number
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Example 2: Writing Equal Ratios
• Write two different ratios equal to 4/6
4:6 4:6DIVIDE BY 2 x 3 x 3
2:3 12:18
![Page 7: Ratios & Unit Rates 6.1-6.2. Ratio A ratio is a comparison of two numbers by division. Each number in a ratio is called a term. There are three ways to.](https://reader035.fdocuments.in/reader035/viewer/2022071808/56649f005503460f94c15d82/html5/thumbnails/7.jpg)
Write two different ratios equal to each ratio.
a. 10/35b. 12:3c. 8 to 22
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Answersa. 2/7, 20/70b. 4:1, 8:2c. 4 to 11, 16 to 44
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Ratios in Simplest Form12 baseballs and 8 baseball batsThere are 8 bats and 12 balls, so the
ratio of bats to balls is 8 to 12.Divide by 4
8/12 = 2/3
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Example 3: Ratios in Simplest Form
Write each ratio in simplest form.a. 4:20b. 50:45c. 39/3
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Example 3 answers:a. 1:5b. 10 to 9c. 13/1
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