Good Afternoon Today we will be learning about
Good Afternoon! Today we will be learning about Metric Units of Mass Let’s warm up : Estimate and then measure the capacity of each object. 1) A juice box 2) A spoon 1) liters 2) milliliters 3) 3 liters = ____ milliliters 3) 3, 000 milliliters 4) 9, 000 milliliters = ____ liters CONFIDENTIAL 4) 9 liters 1
Let’s review what we did in the previous chapter n. Capacity: A measure of a dry or liquid volume of a container. The jar contains 2 liters of milk. Ounces are customary units of measurement. Milliliters are metric units. CONFIDENTIAL 2
Review q The cat consumes 2 liters of milk. q A spoon contains 3 ounce (oz) of liquid. q A can 1 liter of juice. q The cup holds 5 ounces of tea. Metric Units of Capacity 1, 000 milliliters (ml) = 1 liter (L) CONFIDENTIAL 3
Review Convert liters to milliliters To change to a smaller unit, multiply. Example: How many milliliters is 4 liters? We are given, 4 liters = __ milliliters 4 x 1, 000 = 4, 000 4 liters = 4, 000 milliliters 4 liters is equal to 4, 000 milliliters. CONFIDENTIAL 4
Review Convert milliliters to liters To change to a Larger unit, divide. Example: How many liters is 5, 000 milliliters ? We are given, 5, 000 milliliters = __ liters 5, 000 ÷ 1000 = 5 5, 000 milliliters = 5 liters 5, 000 milliliters is equal to 5 liters. CONFIDENTIAL 5
Review Convert liters to milliliters To change to a smaller unit, multiply. Example: How many milliliters is 7 liters? We are given, 7 liters = __ milliliters 7 x 1, 000 = 7, 000 7 liters = 7, 000 milliliters 7 liters is equal to 7, 000 milliliters. CONFIDENTIAL 6
Review Convert milliliters to liters To change to a Larger unit, divide. Example: How many liters is 12, 000 milliliters ? We are given, 12, 000 milliliters = __ liters 12, 000 ÷ 1000 = 12 12, 000 milliliters = 12 liters 12, 000 milliliters is equal to 12 liters. CONFIDENTIAL 7
Today we will learn about the Metric Units of Mass MASS: It is the amount of matter that makes up an object. n. The Ø Ø mass of a math book is 1 kilogram. Customary Units are used in US. Metric Units are used by most countries. CONFIDENTIAL 8
q The mass of a cat is 3 kilograms. q The mass of a ball is 150 grams. q The mass of a table is 17 kilograms. q The mass of a paper is 6 milligrams. CONFIDENTIAL 9
Simple Conversion Tables Metric Units of Mass 1 gram (g) = 1, 000 milligrams (mg) 1 kilogram (kg) = 1, 000 grams (g) When converting any unit of measurements if you want: To change to a larger unit, divide. To change to a smaller unit, multiply. CONFIDENTIAL 10
Convert grams to milligrams To change to a smaller unit, multiply. Example: How many milligrams is 4 grams? We are given, 4 grams = __ milligrams 4 x 1, 000 = 4, 000 4 grams = 4, 000 milligrams 4 grams is equal to 4, 000 milligrams. CONFIDENTIAL 11
Convert milligrams to grams To change to a Larger unit, divide. Example: How many grams is 5, 000 milligrams ? We are given, 5, 000 milligrams = __ grams 5, 000 ÷ 1000 = 5 5, 000 milligrams = 5 grams 5, 000 milligrams is equal to 5 grams. CONFIDENTIAL 12
Convert kilograms to grams To change to a smaller unit, multiply. Example: How many grams is 4 kilograms? We are given, 4 kilograms = __ grams 4 x 1, 000 = 4, 000 4 kilograms = 4, 000 grams 4 kilograms is equal to 4, 000 grams. CONFIDENTIAL 13
Convert grams to kilograms To change to a Larger unit, divide. Example: How many kilograms is 5, 000 grams ? We are given, 5, 000 grams = __ kilograms 5, 000 ÷ 1000 = 5 5, 000 grams = kilograms 5, 000 grams is equal to 5 kilograms. CONFIDENTIAL 14
BREAK CONFIDENTIAL 15
GAME Click on the link below for some exciting puzzle http: //www. thekidzpage. com/onlinejigsawpuzzles/kidsjigsaw-puzzles/12 -piece-jigsaw/09 -02 -06 -school. html CONFIDENTIAL 16
Assignment Estimate and then measure the mass of each object. 1) A paper napkin 2) A football 1) milligrams 2) kilograms CONFIDENTIAL 17
Fill in the blanks: 3) 5 4) 7, 000 5) 31 6) 51, 000 3) ____ gram (g) = 5, 000 milligrams (mg) 4) 7 gram (g) = _____ milligrams (mg) 5) ____ gram (g) = 31, 000 milligrams (mg) 6) 51 gram (g) = _____ milligrams (mg) CONFIDENTIAL 18
Fill in the blanks: 7) 56 8) 23, 000 9) 3 10) 9, 000 7) ____ kilogram (kg) = 56, 000 grams (g) 8) 23 kilogram (kg) = _____ grams (g) 9) ____ kilogram (kg) = 3, 000 grams (g) 10) 9 kilogram (kg) = _____ grams (g) CONFIDENTIAL 19
Very Good! Let's Review MASS: It is the amount of matter that makes up an object. n. The mass of a math book is 1 kilogram. Ø Ø Customary Units are used in US. Metric Units are used by most countries. Simple Conversion Tables Metric Units of Mass 1 gram (g) = 1, 000 milligrams (mg) 1 kilogram (kg) = 1, 000 grams (g) CONFIDENTIAL 20
Review Convert grams to milligrams To change to a smaller unit, multiply. Example: How many milligrams is 4 grams? We are given, 4 grams = __ milligrams 4 x 1, 000 = 4, 000 4 grams = 4, 000 milligrams 4 grams is equal to 4, 000 milligrams. CONFIDENTIAL 21
Review Convert milligrams to grams To change to a Larger unit, divide. Example: How many grams is 5, 000 milligrams ? We are given, 5, 000 milligrams = __ grams 5, 000 ÷ 1000 = 5 5, 000 milligrams = 5 grams 5, 000 milligrams is equal to 5 grams. CONFIDENTIAL 22
Review Convert kilograms to grams To change to a smaller unit, multiply. Example: How many grams is 4 kilograms? We are given, 4 kilograms = __ grams 4 x 1, 000 = 4, 000 4 kilograms = 4, 000 grams 4 kilograms is equal to 4, 000 grams. CONFIDENTIAL 23
Review Convert grams to kilograms To change to a Larger unit, divide. Example: How many kilograms is 5, 000 grams ? We are given, 5, 000 grams = __ kilograms 5, 000 ÷ 1000 = 5 5, 000 grams = kilograms 5, 000 grams is equal to 5 kilograms. CONFIDENTIAL 24
You have done a nice job. See you in the next session. CONFIDENTIAL 25
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