Samacheer Kalvi 8th Maths Solutions Term 1 Chapter 1 Rational Numbers Ex 1.1
Samacheer Kalvi 8th Maths Solutions Term 1 Chapter 1 Rational Numbers Ex 1.1
Tamilnadu Samacheer Kalvi 8th Maths Solutions Term 1 Chapter 1 Rational Numbers Ex 1.1
8th Maths Exercise 1.1 Samacheer Kalvi Question 1.
Fill in the blanks:
8th Standard Maths Exercise 1.1 Answers Question 4.
Write four rational numbers equivalent to -3 7
Samacheer Kalvi Guru 8th Maths Book Solutions Question 5.
Draw the number line and represent the following rational numbers on it.
Solution:
Question 6.
Find the rational numbers for the points marked on the number line.
8th Maths Book Example Sums Question 11.
Subtract −8/44 from −17/11
Solution:
8th Class Maths Book Exercise 1.1 Question 12.
Evaluate:
(i) 9/2×−11/3
(ii) −7/27×24/−35
Solution:
Samacheer Kalvi.Guru 8th Maths Question 15.
Write the five rational numbers which are less than -2.
Solution:
All the integers are rational numbers
∴ Rational numbers less than -2 are -10, -15, -20, -25, -30
Question 16.
Compare the following pairs of rational numbers
Solution:
Class 8 Maths Chapter 1 Exercise 1.1 Question 22.
The sum of the digits of the denominator in the simplest form of 112/528
(A) 4
(B) 5
(C) 6
(D) 7
Solution:
(C) 6
Hint:
Sum of digits in the denominator = 3 + 3 = 6
Maths 8th Class Chapter 1 Exercise 1.1 Question 23.
The rational number (numbers) which has (have) additive inverses is (are)
(A) 7
(B) −5/7
(C) 0
(D) all of these
Solution:
(D) all of these
Hint:
Additive inverse of 7 is -7
Additive inverse of −5/7 is −5/7
Additive inverse of 0 is 0.
8th Maths Guide Question 24.
Which of the following pairs is equivalent?