Good Afternoon!

1. 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. • A juice box • A spoon • 3 liters = ____ milliliters • 9,000 milliliters = ____ liters 1) liters 2) milliliters 3) 3,000 milliliters 4) 9 liters CONFIDENTIAL

2. Let’s review what we did in the previous chapter • 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

3. Review • The cat consumes 2 liters of milk. • A spoon contains 3 ounce (oz) of liquid. • A can 1 liter of juice. • The cup holds 5 ounces of tea. CONFIDENTIAL

4. 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 litersis equal to 4,000 milliliters . CONFIDENTIAL

5. Review • Convert milliliters to liters • To change to a Larger unit, divide. • Example: How many litersis 5,000 milliliters? • We are given, • 5,000 milliliters = __ liters • 5,000 ÷ 1000 = 5 • 5,000milliliters = 5liters 5,000 millilitersis equal to 5 liters. CONFIDENTIAL

6. 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 litersis equal to 7,000 milliliters . CONFIDENTIAL

7. Review • Convert milliliters to liters • To change to a Larger unit, divide. • Example: How many litersis 12,000 milliliters? • We are given, • 12,000 milliliters = __ liters • 12,000 ÷ 1000 = 12 • 12,000milliliters = 12liters 12,000 millilitersis equal to 12 liters. CONFIDENTIAL

8. Customary Units are used in US. Metric Units are used by most countries. Today we will learn about the Metric Units of Mass MASS: It is the amount of matter that makes up an object. • The mass of a math book is 1 kilogram. CONFIDENTIAL

9. The mass of a cat is 3 kilograms. • The mass of a ball is 150 grams. • The mass of a table is 17 kilograms. • The mass of a paper is 6 milligrams. CONFIDENTIAL

10. Simple Conversion Tables When converting any unit of measurements if you want: To change to a larger unit, divide. To change to a smaller unit, multiply. CONFIDENTIAL

11. 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

12. 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 • 5,000milligrams = 5grams 5,000 milligramsis equal to 5 grams. CONFIDENTIAL

13. 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

14. 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 • 5,000grams = kilograms 5,000 gramsis equal to 5 kilograms. CONFIDENTIAL

15. BREAK CONFIDENTIAL

16. GAME Click on the link below for some exciting puzzle http://www.thekidzpage.com/onlinejigsawpuzzles/kids-jigsaw-puzzles/12-piece-jigsaw/09-02-06-school.html CONFIDENTIAL

17. Assignment • Estimate and then measure the mass of each object. • A paper napkin • A football 1) milligrams 2) kilograms CONFIDENTIAL

18. Fill in the blanks: ____ gram (g) = 5,000 milligrams (mg) 7 gram (g) = _____ milligrams (mg) ____ gram (g) = 31,000 milligrams (mg) 51 gram (g) = _____ milligrams (mg) 3) 5 4) 7,000 5) 31 6) 51,000 CONFIDENTIAL

19. Fill in the blanks: ____ kilogram (kg) = 56,000 grams (g) 23 kilogram (kg) = _____ grams (g) ____ kilogram (kg) = 3,000 grams (g) 9 kilogram (kg) = _____ grams (g) 7) 56 8) 23,000 9) 3 10) 9,000 CONFIDENTIAL

20. Customary Units are used in US. Metric Units are used by most countries. Very Good! Let's Review MASS: It is the amount of matter that makes up an object. • The mass of a math book is 1 kilogram. Simple Conversion Tables CONFIDENTIAL

21. 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

22. 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 • 5,000milligrams = 5grams 5,000 milligramsis equal to 5 grams. CONFIDENTIAL

23. 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

24. 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 • 5,000grams = kilograms 5,000 gramsis equal to 5 kilograms. CONFIDENTIAL

25. You have done a nice job. See you in the next session. CONFIDENTIAL