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Measurement Units of Weight/Mass Before we get to the gory details, lets just talk about the size of the units. What unit would you use to measure the.

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Presentation on theme: "Measurement Units of Weight/Mass Before we get to the gory details, lets just talk about the size of the units. What unit would you use to measure the."— Presentation transcript:

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2 Measurement

3 Units of Weight/Mass

4 Before we get to the gory details, lets just talk about the size of the units. What unit would you use to measure the weight of a box of pasta? pounds or ounces What unit would you use to measure the weight of a car? What unit would you use to measure the weight of a letter? tons ounces

5 Basic Equivalences – Weight/Mass 1 pound = 16 ounces 1 ton = 2,000 pounds

6 Basic Equivalences 1 pound = 16 ounces 1 ton = 2,000 pounds How many pounds is 40 ounces? To change a measurement from a larger unit to a smaller unit– multiply To change a measurement from a smaller unit to a larger unit– divide

7 Basic Equivalences 1 pound = 16 ounces 1 ton = 2,000 pounds How many tons is 9280 pounds? To change a measurement from a larger unit to a smaller unit– multiply To change a measurement from a smaller unit to a larger unit– divide

8 Basic Equivalences 1 pound = 16 ounces 1 ton = 2,000 pounds How many ounces is 3.25 pounds? To change a measurement from a larger unit to a smaller unit– multiply To change a measurement from a smaller unit to a larger unit– divide

9 Basic Equivalences 1 pound = 16 ounces 1 ton = 2,000 pounds How many pounds is 3.45 tons? To change a measurement from a larger unit to a smaller unit– multiply To change a measurement from a smaller unit to a larger unit– divide

10 Basic Equivalences 1 pound = 16 ounces 1 ton = 2,000 pounds How many ounces is 0.12 tons? To change a measurement from a larger unit to a smaller unit– multiply To change a measurement from a smaller unit to a larger unit– divide

11 Units of Capacity (liquid)

12 Standard Equivalences – Capacity/Volume 1 gallon = 4 quarts 1 quart = 2 pints 1 pint = 2 cups 1 cup = 8 fluid ounces

13 What unit would you use to buy nail polish?Fluid ounces What unit would you use to fill your car with gas? What unit would you use to measure coffee for a party? Gallons Depends on the party.

14 How many quarts is 6 pints? Standard Equivalences – Capacity 1 gallon = 4 quarts 1 quart = 2 pints 1 pint = 2 cups 1 cup = 8 fluid ounces To change a measurement from a larger unit to a smaller unit– multiply To change a measurement from a smaller unit to a larger unit– divide

15 How many ounces is 7 cups? Standard Equivalences – Capacity 1 gallon = 4 quarts 1 quart = 2 pints 1 pint = 2 cups 1 cup = 8 fluid ounces To change a measurement from a larger unit to a smaller unit– multiply To change a measurement from a smaller unit to a larger unit– divide

16 How many ounces is 1.5 quarts? We are going from a larger unit (quarts) to a smaller unit (ounces), therefore multiply. But we dont have a conversion factor for quarts to ounces, so first we have to turn quarts into pints, and pints into cups, and cups into ounces. 1.5 quarts x 2 = 3 pints 3 pints x 2 = 6 cups 6 cups x 8 = 48 ounces Standard Equivalences – Capacity 1 gallon = 4 quarts 1 quart = 2 pints 1 pint = 2 cups 1 cup = 8 fluid ounces To change a measurement from a larger unit to a smaller unit– multiply To change a measurement from a smaller unit to a larger unit– divide

17 How many gallons is 23 cups? We are going from a smaller unit (quarts) to a larger unit (ounces), therefore divide. But we dont have a conversion factor for gallons to ounces, so first we have to turn quarts into pints, and pints into cups, and cups into ounces. Standard Equivalences – Capacity 1 gallon = 4 quarts 1 quart = 2 pints 1 pint = 2 cups 1 cup = 8 fluid ounces To change a measurement from a larger unit to a smaller unit– multiply To change a measurement from a smaller unit to a larger unit– divide

18 How many gallons is 23 cups? Standard Equivalences – Capacity 1 gallon = 4 quarts 1 quart = 2 pints 1 pint = 2 cups 1 cup = 8 fluid ounces To change a measurement from a larger unit to a smaller unit– multiply To change a measurement from a smaller unit to a larger unit– divide

19 To change a measurement from a larger unit to a smaller unit– multiply To change a measurement from a smaller unit to a larger unit– divide If there is no direct conversion factor, You will have to go through intermediate steps to complete the conversion.

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