LESSON How can you use ratios and proportions to convert measurements? Converting Between Measurement Systems 3.1.

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Presentation transcript:

LESSON How can you use ratios and proportions to convert measurements? Converting Between Measurement Systems 3.1

ADDITIONAL EXAMPLE 1 While making soup, Jenna added 148 milliliters of broth. About how many fluid ounces does she add to her soup? Jenna adds about 5 fluid ounces to her soup.

ADDITIONAL EXAMPLE 2 Wren’s bedroom is 12 feet long × 10 feet wide. She plans to purchase carpet for the entire room. The carpet costs $25 per square meter. What will be the total cost of the new carpet to the nearest cent? $279.08

3.1 LESSON QUIZ Mindy’s paper cup holds 6 fluid ounces. How many milliliters is this? Complete the diagram to solve the problem. 7.4.E milliliters

Tell which measure is greater. 2.twenty ounces 60 gallons or 60 liters3.60 gallons A bag of potatoes weighs 15 pounds. How many kilograms is this? kg twenty ounces or twenty grams You want to measure the length of a ribbon in inches. You only have a centimeter ruler. The length of the ribbon is 16 cm. Is the ribbon longer or shorter than 16 inches? How many inches long is it? 5. shorter than 16 inches; about 6.3 inches

How can you use ratios and proportions to convert measurements? Sample answer: Use a table of equivalent measures to set up a conversion factor, and multiply by it to convert one unit to another.