DAV Class 4 Maths Chapter 7 Worksheet 1 Solutions

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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.