The DAV Class 4 Maths Book Solutions and **DAV Class 4 Maths Chapter 2 Worksheet 7 **Solutions of Addition and Subtraction offer comprehensive answers to textbook questions.

## DAV Class 4 Maths Ch 2 WS 7 Solutions

Question 1.

Subtract orally.

(a) 60 – 20 = ____________

Answer:

40

(b) 90 – 20 = ____________

Answer:

70

(c) 40 – 30 = ____________

Answer:

10

(d) 80 – 30 = ____________

Answer:

50

(e) 400 – 200 = ____________

Answer:

200

(f) 700 – 300 = ____________

Answer:

400

(g) 900 – 400 = ____________

Answer:

500

(h) 8 ,000 – 3,000 = ____________

Answer:

5,000

(i) 7 ,000 – 4,000 = ____________

Answer:

3,000

(j) 8 ,000 – 6,000 = ____________

Answer:

2,000

(k) 27,000 – 17,000 = ____________

Answer:

10,000

(l) 45,000 – 4,000 =____________

Answer:

41,000

(m) 99,000 – 9,000 = ____________

Answer:

90,000

(n) 16,000 – 11,000 = ____________

Answer:

5,000

### DAV Class 4 Maths Chapter 2 Worksheet 7 Notes

Subtraction (Orally):

E.g. 1. 60 – 30 = 30

Step 1: Check minuend and subtrahend are in same places that is tens.

Step 2: In 60 and 30 one zero is on the right and hence in the difference.

Step 3: 6 – 3 = 3

E.g. 2. Subtract 2,000 from 6,000

6000 – 2000 = 4000

6 – 2 = 4