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Lesson Menu. Main Idea and New Vocabulary Key Concept: Customary Units Example 1: Convert Larger Units to Smaller Units Example 2: Convert Larger Units to Smaller Units Example 3: Convert Smaller Units to Larger Units Example 4: Convert Smaller Units to Larger Units.

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Lesson Menu

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  1. Lesson Menu Main Idea and New Vocabulary Key Concept: Customary Units Example 1: Convert Larger Units to Smaller Units Example 2: Convert Larger Units to Smaller Units Example 3: Convert Smaller Units to Larger Units Example 4: Convert Smaller Units to Larger Units

  2. Change units of measure in the customary system. • unit ratio • dimensional analysis Main Idea/Vocabulary

  3. Key Concept

  4. Since 1 mile is 5,280 feet, the unit ratio is Multiply by Divide out common units, leaving the desired unit, feet. Multiply. Convert Larger Units to Smaller Units Convert 2 miles to feet. Answer: So, 2 miles = 10,560 feet. Example 1

  5. Convert 6.2 miles to feet. Round to the nearest tenth. A. 851.6 ft B. 3,273.6 ft C. 32,736 ft D. 327,360 ft Example 1 CYP

  6. 1 __ 2 INGREDIENTS At the grocery store, Miranda weighs pound of green beans for a recipe shewants to make. How many ounces of green beans did Miranda weigh? Since 1 pound is 16 ounces, the unit ratio is Multiply by Convert Larger Units to Smaller Units Example 2

  7. Multiply. Divide out common units, leaving the desired unit, ounces. Convert Larger Units to Smaller Units Answer: Miranda weighed 8 ounces of green beans. Example 2

  8. 5 __ 8 COOKING Betsy needs pound of tomatoes for a soup recipe. How many ounces of tomatoes does she need? A. 25.6 oz B. 10 oz C. 6.25 oz D. 0.04 oz Example 2 CYP

  9. Since 1 pint is 2 cups, the unit ratio is and its reciprocal is Multiply by Divide out common units, leaving the desired unit, pints. Convert Smaller Units to Larger Units Convert 11 cups to pints. Example 3

  10. Multiplying by isthe same as dividing 11 by 2. Convert Smaller Units to Larger Units Answer: So, 11 cups is 5.5 pints. Example 3

  11. Convert 1,011 feet to miles. A. 0.19 mi B. 5.3 mi C. 6,291 mi D. 5,338,080 mi Example 3 CYP

  12. Since 1 foot is 12 inches, the unit ratio is and its reciprocal is Multiply by Divide out common units, leaving the desired unit, feet. Convert Smaller Units to Larger Units SOCCER Tracy kicked a soccer ball 1,000 inches. How many feet did she kick the ball? Example 4

  13. 1 __ 3 Divide out common factors. Multiplying by isthe same as dividing 250 by 3. Answer: So, Tracy kicked the ball 83 feet. Convert Smaller Units to Larger Units Example 4

  14. KITES Tom was making a kite. He needed 150 feet of string. How many yards of string does he need? A. 450 yd B. 153 yd C. 50 yd D. 3 yd Example 4 CYP

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