KSEEB Solutions for Class 8 Maths Chapter 1 Rational Numbers InText Questions

You can Download KSEEB Solutions for Class 8 Maths Chapter 1 Rational Numbers InText Questions and Answers to help you to revise the complete syllabus.

KSEEB Solutions for Class 8 Maths Chapter 1 Rational Numbers InText Questions

Try These (Page 6)

Question 1.
Complete the following table:

Solution:

Try These (Page 7)

(i) Whole Numbers

Question 1.
Recall the associativity of the four operations for whole numbers through this table:

Fill in this table and verify the remarks given in the last column.
Check for yourself the associativity of different operations for natural numbers.
Solution:

(ii) Integers

Question 1.
The associativity of the four operations for integers can be seen from this table:

Solution:

Try These (Page 10)

Question 1.

Solution:

Try These (Page 13)

Question 1.
Find using distributivity.
(i) \(\left\{\frac{7}{5} \times\left(\frac{-3}{12}\right)\right\}+\left\{\frac{7}{5} \times \frac{5}{12}\right\}\)
(ii) \(\left\{\frac{9}{16} \times \frac{4}{12}\right\}+\left\{\frac{9}{16} \times \frac{-3}{9}\right\}\)
Solution:
(i) \(\left\{\frac{7}{5} \times\left(\frac{-3}{12}\right)\right\}+\left\{\frac{7}{5} \times \frac{5}{12}\right\}\)

Try These (Page 17)

Question 1.
Write the rational number for each point labeled with a letter.
Solution:
(i) A = \(\frac{1}{5}\)
B = \(\frac{4}{5}\)
C = \(\frac{5}{5}\)
D = \(\frac{8}{5}\)
E = \(\frac{9}{5}\)

(ii) -J = \(\frac{-11}{6}\)
I = \(\frac{-8}{6}\)
H = \(\frac{-7}{6}\)
G = \(\frac{-5}{6}\)
F = \(\frac{-2}{5}\)