RD Sharma Solutions for Class 6 Maths Chapter 1: Knowing Our Numbers Exercise 1.9

RD Sharma Solutions for Class 6 Maths Exercise 1.9 PDF

This exercise mainly deals with expanding of brackets while solving problems using addition, subtraction, multiplication and division. The solutions are designed by a team of subject matter experts who conduct wide research on each topic before solving problems. The main mission is to make the subject easy for students and obtain a good score in the exam. This is the ninth exercise of Chapter 1, with PDFs of solutions that can be easily downloaded by students. RD Sharma Solutions for Class 6 Maths Chapter 1 Knowing Our Numbers Exercise 1.9 are provided here.

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Simplify each of the following:

1. 7 × 109

2. 6 × 112

3. 9 × 105

4. 17 × 109

5. 16 × 108

6. 12 × 105

7. 102 × 103

8. 101 × 105

9. 109 × 107

Solution:

1. On simplification of 7 × 109 we get

7 × 109 = 763.

2. On simplification of 6 × 112 get

6 × 112 = 672.

3. On simplification of 9 × 105 we get

9 × 105 = 945.

4. On simplification of 17 × 109 we get

17 × 109 = 1853.

5. On simplification of 16 × 108 we get

16 × 108 = 1728.

6. On simplification of 12 × 105 we get

12 × 105 = 1260.

7. On simplification of 102 × 103 we get

102 × 103 = 10506.

8. On simplification of 101 × 105 we get

101 × 105 = 10605.

9. On simplification of 109 × 107 we get

109 × 107 = 11663.

RD Sharma Solutions Class 6 Maths Chapter 1 – Knowing Our Numbers Exercise 1.9

RD Sharma Solutions Class 6 Maths Chapter 1 Knowing Our Numbers Exercise 1.9 outline the methods of expanding brackets using the distributive law. The solutions are explained in simple language to help students gain conceptual understanding.

Key features of RD Sharma Solutions for Class 6 Maths Chapter 1: Knowing Our Numbers Exercise 1.9

• The solutions are explained in a comprehensive manner to help students obtain an overall idea about the concepts.
• The doubts which arise while solving the problems can be cleared easily with the help of solutions created by subject experts.
• The formulae and important concepts in each exercise are highlighted to make the students familiarise themselves while solving the problems.
• The solutions are available in PDF format, which can be downloaded by students for future reference.