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Customary Units of Weight

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How much does an object weigh? In the customary system, ounces (oz) and pounds (lb) are used to measure weight. Ten pennies weigh about 1 ounce One hundred sixty pennies weigh about a pound

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Customary Units of Weight: Ounces Some items that we measure in ounces are: ScrewdriverBeach Ball Tennis Ball 3 oz

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Customary Units of Weight: Ounces What other items would we measure in ounces?

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Customary Units of Weight: Pounds Some items that we measure in pounds are: Bowling ball 10 lb Dogs 75 lb Don’t you dare ask! Mrs. Breakey

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Customary Units of Weight: Pounds What other items would we measure in pounds?

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Equivalency 16 oz = 1 lb

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Example 1 1 lb = 16 oz 2 x 16 oz = 32 oz A 2-pound bag of trail mix contains how many ounces? 2 lb = _____ oz A 2-pound bag of trail mix contains 32 ounces.

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Example 2 An 18-ounce bag of popcorn contains how many pounds and ounces? 18 oz = _____ lb _____oz 18 oz= 16 oz + 2 oz 18 oz = 1 lb 2 oz An 18-ounce bag of popcorn contains 1 pound 2 ounces.

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Let’s Practice Weighing In: Ounces! The item I measured--My estimation--Actual weight-- Chapter Book Math Textbook Wooden 3-D Shape Atlas Glue Stick Pencil Fraction Bucket Social Studies Text

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Let’s Practice Weighing In: Pounds! The item I measured--My estimation--Actual weight--

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5.8 Changing Units in Customary System Page 218. Customary Units of Measure Length 12 inches= 1 foot 3 feet = 1 yard 5,280 feet = 1 mile.

5.8 Changing Units in Customary System Page 218. Customary Units of Measure Length 12 inches= 1 foot 3 feet = 1 yard 5,280 feet = 1 mile.

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