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Customary Measurements

Customary Measurements. Objective: Students identify and convert customary units of measure. . Customary Measurements. Choosing the Appropriate Customary Units. Choose the most appropriate customary unit for each measurement. Justify your answer. The length of a rug

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Customary Measurements

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  1. Customary Measurements Objective: Students identify and convert customary units of measure.

  2. Customary Measurements

  3. Choosing the Appropriate Customary Units Choose the most appropriate customary unit for each measurement. Justify your answer. • The length of a rug Feet-you can use sheets of paper to measure the length • The weight of a magazine Ounces-the weight of a magazine is about the weight of several slices of bread • The capacity of an aquarium Gallons-you can fill an aquarium with gallon jugs of water.

  4. Common Equivalent Customary Units

  5. Try This!!! Convert 19 c to floz Method 1: Proportions Write a proportion Method 2: Multiply by 1 Multiply by a ratio equal to 1 and divide out the units 19 cups is equal to 152 fluid ounces

  6. Try This!!! A carpenter has a wooden post that is 4 ft long. She cuts off 17 in the end of the post. What is the remaining length? The carpenter cuts off 17 in. Write answer in both feet and inches First convert 4 ft to in Use 1 ft= 12 in Multiply by ratio equal to 1

  7. Example 1: Choose the most appropriate customary unit for each measurement. Justify your answer. • The weight of a car • The diameter of a soup can • The weight of a newborn baby

  8. Example 2: Convert 5,000 pounds to tons.

  9. Example 3: Allison orders a 6 oz grilled chicken sandwich. Joseph orders a quarter lb grilled chicken sandwich. Which sandwich weights more? How much more?

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