KSEEB Solutions for Class 8 Maths Chapter 7 Rational Numbers Ex 7.3

In this chapter, we provide KSEEB SSLC Class 8 Maths Chapter 7 Rational Numbers Ex 7.3 for English medium students, Which will very helpful for every student in their exams. Students can download the latest KSEEB SSLC Class 8 Maths Chapter 7 Rational Numbers Ex 7.3 pdf, free KSEEB SSLC Class 8 Maths Chapter 7 Rational Numbers Ex 7.3 pdf download. Now you will get step by step solution to each question.

Karnataka State Syllabus Class 8 Maths Chapter 7 Rational Numbers Ex 7.3

Karnataka Board Class 8 Maths Chapter 7 Rational Numbers Ex 7.3

1. Name the property indicated in the following:

Question (i)
315+115 = 430
Answer:
Closure property of addition

Question (ii)
34×95=2720
Answer:
Closure property of multiplication.

Question (iii)
5 + 0 = 0 + 5 = 5
Answer:
0 is the additive identity.

Question (iv)
89×1=89
Answer:
1 is the multiplicative identity

Question (v)
817+−817=0
Answer:
−817

Question (vi)
2223×2322=1
Answer:
2322 is the multiplicative identity

2. Check the commutative property of addition for the following pairs.

Question (i)
102201,34
Answer:

Question (ii)
−813,2327
Answer:

Question (iii)
−79,−1819
Answer:
a + b = b + a

3. Check the commutative property of multiplication for the following pairs

Question (i)
2245,34
Answer:

Question (ii)
−713,2527
Answer:

Question (iii)
−89,−1719
Answer:

4. Check the distributive property for the following triples of rational numbers.

Question (i)
18,19,110
Answer:

Question (ii)
−49,65,1110
Answer:

Question (iii)
38,0,137
Answer:

5. Find the additive inverse of each of the following numbers.

Question (1)
85
Answer:
−85

Question (2)
610
Answer:
−610

Question (3)
−38
Answer:
38

Question (4)
−163
Answer:
163

Question (5)
−41
Answer:
41

6. Find the multiplicative inverse of each of the following numbers.

Question (1)
2
Answer:
12

Question (2)
611
Answer:
116

Question (3)
−815
Answer:
−158

Question (4)
1918
Answer:
1819

Question (5)
11000
Answer:
10001

All Chapter KSEEB Solutions For Class 8 maths

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