# KSEEB Solutions for Class 8 Maths Chapter 7 Rational Numbers Ex 7.1

In this chapter, we provide KSEEB SSLC Class 8 Maths Chapter 7 Rational Numbers Ex 7.1 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 7.1 pdf, free KSEEB SSLC Class 8 Maths Chapter 7 Rational Numbers Ex 7.1 pdf download. Now you will get step by step solution to each question.

## Karnataka Board Class 8 Maths Chapter 7 Rational Numbers Ex 7.1

1. Identify the property in the following statements.

Question (i)
2 + (3 + 4) = (2 + 3) + 4

Question (ii)
2 × 8 = 8 × 2
Commutative property of multiplication

Question (iii)
8 × (6 + 5) = (8 × 6) + (8 × 5)
Distributive property of multiplication over addition in integers.

Question 2.
Find the additive inverse of the following integers.
6                                      -6
9                                      -9
123                                -123
-76                                   76
-85                                   85
1000                             -1000

3. Find the integer m in the following:

Question (i)
m + 6 = 8
m = 8 – 6

Question (ii)
m + 25 = 15
m =15 – 25
m = -10

Question (iii)
m – 40 = -26
m = – 26 + 40
m = 14

Question (iv)
m + 28 = – 49
m = – 49 – 28
m = – 77

Question 4.
Write the following in increasing order: 21, -8, -26, 85, 33, -333, -210, 0, 2011
-333 < -210 < -26 < -8 < 0 < 21 < 33 < 85 < 2011.
-333, -210, -26, -8, 0, 21, 33, 85, 2011

Question 5.
Write the following in decreasing order: 85, 210, -58, 2011, -1024, 528, 364, -10000,12
2011 > 528 > 364 > 210 > 85 > 12 > – 58 > -1024 < -10,000
2011, 528, 364, 210, 85, 12, -58, -1024, -10,000.

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