4th Maths : Term 3 Unit 3 : Measurements
Exercise 3.1 (Measuring volume of given liquid)
1. Rani had 1 litre coconut oil. She shared it equally among her 5 friends. How much does each person have?
Rani had coconut oil = 1 litre
No persons shared = 5
1 litre = 1000 ml
Each person has = 1 litre / 5 = [ 1000 / 5 ] ml
= 200 ml
Answer: Each person has 200 ml.
2. A teapot contains 2 litres, it is poured in cups with a capacity of 500 ml. How many cups can be filled?
Capacity of tea in a teapot = 2 litres = 2000 ml
Capacity of 1 cup = 500 ml
No of cups that can be filled = 2000 / 500
= 4
Answer: 4 cups can be filled.
3. Ram has 1 litre of juice bottle. If he gives his friend 100 ml of juice. How much is left with him?
Ram has juice bottle = 1 litre = 1000 ml
He gvies his friend = 100 ml
Juice left with him = 1000ml − 100ml
= 900 ml
Answer: 900 ml of juice left with him
4. Change litre into millilitre.
1000 ml = 1 litre
- 1. 1 l = 1000 ml
- 2. 7 l = 7000 ml
- 3. 5 l = 5000 ml
- 4. 9 l = 9000 ml
- 5. 4 l = 4000 ml
5. Change millilitre into litre
- 1. 6000 ml = 6 l
- 2. 2000 ml = 2 l
- 3. 8000 ml = 8 l
- 4. 9000 ml = 9 l
Note: 1000 ml = 1 litre
Activity
Fill in the red boxes below using 500 ml, 200 ml, 100 ml and 50 ml, to get the total in the blue boxes given above the red boxes.
