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METRIC CAPACITY UNITS
GRADE 3

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Hello, How are you doing?
Today, we are going to start a new lesson on Capacity.

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Capacity
A measure of dry or liquid volume of a container.
Example – The capacity of milk container is 1 liter.

4. Metric Units of Capacity
There are two metric units of capacity.
Liter (L)
Milliliter (ml)
1 liter = 1,000 milliliter

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Examples
Liter is larger unit than milliliter.
Example
Water in bottle is measured in liter (L)
The medicine in dropper is measured in milliliter (ml)

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Conversion
Liter can be changed to milliliter by multiplying with 1,000.
5L = 5 x 1,000
= 5,000 ml

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Conversion
Milliliter (ml) can be changed to Liter (l) by dividing with 1,000.
500 ml = 500/1000
= ½
= 0.5 L

8. Single serving of milk from milk box is measured in -----.
Liter
Milliliter
None of the above

9. Fill in the Blanks. 7 L = ----- m L
Answer- 7 x 1,000
= 7,000 ml

10. Choose the better estimate for the water in the glass.
200 ml
500 ml
20 ml
125 ml

11. Use L or ml to describe the capacity of the following.
Test tube
Tea kettle
Bath tub

12. Which can hold more soup? a soup bowl with --- ml
200
150
220
125

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Vincent poured 2500 ml of water in a bucket. Then Rea poured 2 L of water in the same bucket. How much water is there in the bucket?

14. Complete. a) 8,000 ml = --- L b) 900 ml = ---- L

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ASSESSMENT

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1. Roger is using a pot to make a soup. Which is the best estimate of the capacity of pot?
60 L
6 L
30 L
3 L

17. Write the number that makes the equation true. 9 L = ---- m L

18. 3. Choose the unit to measure the capacity of each.
A container of eye dropper
A toothpaste tube

19. 4. Compare using >, < or =.
a) 5,625 m L  6 L
b) 3,000 m L  3 L

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5. How many 500 ml bottles of wine can be filled out of a tank containing 2 L of wine?

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6. Each cup holds 100 milliliter of water. How many cups of water would you need to fill a 3 L bucket?

22. 7. A teaspoon holds --- m L of water.10 60
400
100

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8. Which is greater than 6 L?
5,235 m L
6,000 m L
6,090 m L
None of the above

24. 9. Estimate the capacity of the bucket shown.
209 L
2 L
200 L
250 L

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Write the capacity of each object from least to greatest. a bucket, a bowl, a cup, a tank

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Recap
Capacity
Metric Units of capacity
Examples
Conversion units
Solved Examples
Practice Problems

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Good Work!
Now Practice worksheets on the Lesson.