The DAV Class 4 Maths Solutions and **DAV Class 4 Maths Chapter 7 Worksheet 1 **Solutions of Capacity offer comprehensive answers to textbook questions.

## DAV Class 4 Maths Ch 7 WS 1 Solutions

Question 1.

Convert the following into millilitres.

(a) 7 1

Answer:

7 1 = 7 × 1000 ml

= 7000 ml

(b) 200 1

Answer:

200 1 = 200 × 1000 ml

= 2,00,000 ml

(c) 92 1

Answer:

92 1 = 92 × 1000 ml

= 92,000 ml

(d) 8 1 750 ml

Answer:

81750 ml = 8 × 1000 + 750 ml

= 8,000 ml + 750

= 8750 ml

(e) 11 1 925 ml

Answer:

11 1 925 ml = 11 × 1000 ml +

= 11000 ml + 925

= 11925 ml

(f) 23 1 65 ml

Answer:

23 1 65 ml = 23 × 1000 ml + 65 ml

= 23065 ml

(g) 215 1 15 ml

Answer:

215 1 15 ml = 215 × 1000 ml + 15 ml

= 215015 ml

(h) 10 1 10 ml

Answer:

10 1 10 ml = 10 × 1000 ml + 10 ml

= 10,000 ml + 10 ml

= 10,010 ml.

(i) 252 1 525 ml

Answer:

252 1 525 ml = 252 × 1000 ml + 525 ml

= 252000 ml + 525 ml

= 252525 ml

Question 2.

State ‘True’ or ‘False’.

(a) 3 1 430 ml = 3430 ml

Answer:

True

(b) 7 1 25 ml = 725 ml

Answer:

False

(c) 150 1 = 15000 ml

Answer:

False

(d) 16 1 8 ml = 1608 ml

Answer:

False

### DAV Class 4 Maths Chapter 7 Worksheet 1 Notes

- The amount of liquid something can hold is called its capacity. For example, the capacity of teaspoon is 5 ml. Buckets of different sizes hold different amounts of liquids.
- The standard unit of capacity is litre. Small amount of liquid like medicine is meas¬ured in millilitres (ml).

**Review Exercise**

Question 1.

Name five things which are sold by measuring capacity.

Answer:

Milk, petrol, ink, oil, juice etc.

Question 2.

Which unit will you choose to express the following?

(a) Milk in a cup

Answer:

Millilitre

(b) Petrol in a car

Answer:

Litre

(c) Water in a bottle

Answer:

Litre or millilitre

(d) Medicine in a small bottle

Answer:

Millilitre

(e) Oil in a can

Answer:

Litre

(f) Ink in an inkpot

Answer:

Millilitre

(g) Water in an bucket

Answer:

Litre

(h) Juice in millilitre bottle

Answer:

Millilitre

Conversions:

Bigger unit into smaller unit.

The biggest unit of capacity is kilolitres.

1 kilolitre = 1000 litres 1.

(ii) Converting litres into millilitres.

1 1 = 1000 ml

37 1 = 37 × 1000 ml

= 37000 ml

(a) Converting litres and millilitres into millilitres.

6 litres 649 millitres.

= 6 × 1000 ml + 649 ml

= 6000 ml + 649 ml

= 6649 ml.