NCERT Class 6 Math Exercise 1.3 Solution of Chapter 1 Knowing Our Numbers with explanation. Here we provide Class 6 Maths all Chapters in Hindi for cbse, HBSE, Mp Board, UP Board and some other boards.

**Also Read : – Class 6 Maths NCERT Solution**

NCERT Class 6 Maths Chapter 1 Knowing our Numbers Exercise 1.3 Solution in english Medium.

**Class 6 Maths Chapter 1 Exercise 1.3 Solution**

**Q.1. Estimate each of the following using general rule:**

**A. 730 + 998**

**Ans.** 700 + 1000

= 1700

**B. 796 – 314**

**Ans.** 800 – 300

= 500

**C. 12,904 + 2,888**

**Ans.** 13,000 + 3000

= 16,000

**D. 28,292 – 21496**

**Ans.** 28000 – 21000

= 7,000

**Q.2. Give a rough estimate ( by rounding off to nearest hundreds ) and also a closer estimate ( by rounding off to nearest tens ) :**

**A. 439 + 334 + 4,317**

**Ans.** Estimation by rounding of to nearest

Hundreds:-

= 400 + 300 +4300

= 5,000

Estimation by rounding of to nearest

tens :-

= 440 + 330 + 4320

= 5,090

**B. 1,08,734 – 47,599**

**Ans.** Estimation by rounding of to nearest

Hundreds:-

= 1,08,700 – 47,600

= 61,100

Estimation by rounding of to nearest

tens :-

= 1,08,730 – 47,600

= 61,130

**C. 8,325 – 491**

**Ans.** Estimation by rounding of to nearest

Hundreds:-

= 8300 – 500

= 7,800

Estimation by rounding of to nearest

tens :-

= 8,330 – 490

= 7,840

D. 4,89,348 – 48,365

Estimation by rounding of to nearest

Hundreds:-

= 4,89,300 – 48,400

= 4,40,900

Estimation by rounding of to nearest

tens :-

= 4,89,350 – 48,370

= 4,40,980

**Q.3. Estimate the following products using general rule :**

**A. 578 x 161**

**Ans.** = 600 x 200

= 1,20,000

**B. 5281 x 3491**

**Ans.** = 5,000 x 3000

= 1,50,00,000

**C. 1291 x 592**

**Ans.** = 1000 x 600

= 6,00,000

**D. 9250 x 29**

**Ans.** = 9000 x 30

= 2,70,000