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

1. Mass / Weight
Measure

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

4. 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

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

7. a. 2 g
b. 2 kg
2.

8. a. 750 g
b. 75 kg
3.

9. a. 250 g
b. 5 kg
4.

10. a. 500 g
b. 2 kg
5.

11. Activity 2.
Encircle the greater unit of mass.
1. 1 g or 800 mg 6. 60 g or 0.6 kg
2. 500 mg or 0.1 g 7. 0.13 g or 150 mg
3. 7.5 g or 75 mg 8. 890 g or 1 kg
4. 2 250 g or 2 kg 9. 10 kg or 10 g
5. 3 000 g or 3 000 mg 10. 90 mg or 900 g

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

13. 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

14. 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

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

16. 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?

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