Mass / Weight Measure for Gr3 4QT.pptptx

Grade 3 Lesson in Math for Fourth Quarter in the Philippines. It is about Mass / Weight.

1. Mass / Weight Measure

2. What is the weight of the carrots in the picture? What is the weight of the candy? What is the weight of the flour?

3. REMEMBER: To convert larger units of mass to smaller units, multiply. To convert smaller units of mass to larger units, divide. Examples: 8 kg = 8 000 g 5 000 g = 5 kg

4. Activity 1. Choose the more appropriate weight measure. 105 g b. 105 kg 1.

5. 2 g b. 2 kg 2.

6. 750 g b. 75 kg 3.

7. 250 g b. 5 kg 4.

8. 500 g b. 2 kg 5.

9. Activity 2. Encircle the greater unit of mass. 1 g or 800 mg 6. 60 g or 0.6 kg 500 mg or 0.1 g 7. 0.13 g or 150 mg 7.5 g or 75 mg 8. 890 g or 1 kg 2 250 g or 2 kg 9. 10 kg or 10 g 3 000 g or 3 000 mg 10. 90 mg or 900 g

10. Activity 3. Write gram , milligram , or kilogram in the blank A capsule weighs about 500 ____. A dog weighs about 14 ____. Marie weighs about 53 ____. A pinch of salt weighs 15 ____. A ripe mango weighs 250 ____.

11. Evalution : A. Fill in the blanks. 1. 11 kilo = _______ grams 2. 44 kilo = _______ grams 3. 28 kilo = _______ grams 4. 23 kilo = _______ grams 5. 85 kilo = _______ grams

12. B. Convert grams to kilograms. 1. 24 000 g = _______kg 2. 19,500 g = _______kg 3. 32 250 g = _______kg 4. 5 750 g = ________kg 5. 8 000 g = ________kg

13. Assignment: Solve each word problem. Aling Juan bought 4 kg of cassava to make a cassava cake. How many grams of cassava did she buy? One teaspoon of multi vitamins syrup has 83 mg of ascorbic acid. How many grams of ascorbic acid does it contain?

14. 3. A grade three pupil brought 13 bundles of old newspapers for their newspaper fund drive. Each bundle weighs 500 grams. How many kilograms of old newspapers did he bring? 4. Kath weighs 48 ¼ kg. How many grams is she?

15. 5. Cindy bundles old newspapers for her school fund drive. Each bundle weighs 5 kg. How many grams are there in 25 bundles?