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