## RS Aggarwal Class 6 Solutions Chapter 1 Number System Ex 1D

These Solutions are part of RS Aggarwal Solutions Class 6. Here we have given RS Aggarwal Solutions Class 6 Chapter 1 Number System Ex 1D

**Other Exercises**

- RS Aggarwal Solutions Class 6 Chapter 1 Number System Ex 1A
- RS Aggarwal Solutions Class 6 Chapter 1 Number System Ex 1B
- RS Aggarwal Solutions Class 6 Chapter 1 Number System Ex 1C
- RS Aggarwal Solutions Class 6 Chapter 1 Number System Ex 1D
- RS Aggarwal Solutions Class 6 Chapter 1 Number System Ex 1E
- RS Aggarwal Solutions Class 6 Chapter 1 Number System Ex 1F
- RS Aggarwal Solutions Class 6 Chapter 1 Number System Ex 1G
- RS Aggarwal Solutions Class 6 Chapter 1 Number System Ex 1H

**Question 1.**

**Solution:**

(a) 40

(b) 170

(c) 3870

(d) 16380

**Question 2.**

**Solution:**

(a) 800

(b) 1300

(c) 43100

(d) 98200

**Question 3.**

**Solution:**

(a) 1000

(b) 5000

(c) 17000

(d) 28000

**Question 4.**

**Solution:**

(a) 20000

(b) 30000

(c) 30000

(d) 270000

**Estimate each sum to the nearest ten :**

**Question 5.**

**Solution:**

(57 + 34)

57 estimated to the nearest ten = 60

34 estimated to the nearest ten = 30

Required sum = 60 + 30

= 90 Ans.

**Question 6.**

**Solution:**

(43 + 78)

43 estimated to the nearest ten = 40

78 estimated to the nearest ten = 80

Required sum = 40 + 80

= 120 Ans.

**Question 7.**

**Solution:**

(14 + 69)

14 estimated to the nearest ten = 10

69 estimated to the nearest ten = 70

Required sum = 10 + 70

= 80 Ans.

**Question 8.**

**Solution:**

(86 +19)

86 estimated to the nearest ten = 90

19 estimated to the nearest ten = 20

Required sum = 90 + 20

= 110 Ans.

**Question 9.**

**Solution:**

(95 + 58)

95 estimated to the nearest ten =100

58 estimated to the nearest ten = 60

Required sum = 100 + 60

= 160 Ans

**Question 10.**

**Solution:**

77 estimated to the nearest ten = 80

63 estimated to the nearest ten = 60

Required sum = 80 + 60

= 140 Ans.

**Question 11.**

**Solution:**

(356 + 275)

356 estimated to the nearest ten = 360

275 estimated to the nearest ten = 280

Required sum = 360 + 280

= 640 Ans.

**Question 12.**

**Solution:**

463 + 182

463 estimated to the nearest ten = 460

182 estimated to the nearest ten = 180

Required sum = 460 + 180

= 640 Ans.

**Question 13.**

**Solution:**

(538 + 276)

538 estimated to the nearest ten = 540

276 estimated to the nearest ten = 280

Required sum = 540 + 280

= 820 Ans.

**Estimate each sum to the nearest hundred:**

**Question 14.**

**Solution:**

(236 + 689)

236 estimated to the nearest hundred = 200

689 estimated to the nearest hundred = 700

Required sum = 200 + 700

= 900 Ans.

**Question 15.**

**Solution:**

(458 + 324)

458 estimated.to the nearest hundred = 500

324 estimated to the nearest hundred = 300

Required sum = 500 + 300

= 800 Ans.

**Question 16.**

**Solution:**

(170 + 395)

170 estimated to the nearest hundred = 200

395 estimated to the nearest hundred = 400

Required sum = 200 + 400

= 600 Ans.

**Question 17.**

**Solution:**

(3280 + 4395)

3280 estimated to the nearest hundred = 3300

4395 estimated to the nearest hundred = 4400

Required sum = 3300 + 4400

= 7700 Ans.

**Question 18.**

**Solution:**

(5130 + 1410)

5130 estimated to the nearest hundred = 5100

1410 estimated to the nearest hundred = 1400

Required sum = 5100 + 1400

= 6500 Ans.

**Question 19.**

**Solution:**

(10083 + 29380)

10083 estimated to the nearest hundred =10100

29380 estimated to the nearest hundred = 29400

Required sum = 10100 + 29400

= 39500 Ans.

**Estimate each sum to the nearest thousand :**

**Question 20.**

**Solution:**

(32836 + 16466)

32836 estimated to the nearest thousand = 33000

16466 estimated to the nearest thousand = 16000

Required sum = 33000 + 16000

= 49000 Ans.

**Question 21.**

**Solution:**

(46703 + 11375)

46703 estimated to the nearest thousand = 47000

11375 estimated to the nearest thousand = 11000

Required sum = 47000 + 11000

= 58000 Ans.

**Question 22.**

**Solution:**

54 balls + 79 balls

54 balls estimated to the nearest 10 = 50

79 balls estimated to the nearest 10 = 80

Required total number of balls = 50 + 80 + 130 Ans.

Estimate each difference to the nearest ten :

**Question 23.**

**Solution:**

(53 – 18)

53 estimated to the nearest ten = 50

18 estimated to the nearest ten = 20

Difference of 50 and 20

= 50 – 20

= 30 Ans.

**Question 24.**

**Solution:**

(97 – 38)

97 estimated to the nearest ten =100

38 estimated to the nearest ten = 40

Difference of 100 and 40

= 100 – 40

= 60 Ans.

**Question 25.**

**Solution:**

(409 – 148)

409 estimated to the nearest ten = 410

148 estimated to the nearest ten = 150

Difference of 410 and 150

= 410 – 150

= 260 Ans.

**Estimate each difference to the nearest hundred :**

**Question 26.**

**Solution:**

(678 – 215)

678 estimated to the nearest hundred = 700

215 estimated to the nearest hundred = 200

Difference between 700 and 200

= 700 – 200

= 500 Ans.

**Question 27.**

**Solution:**

(957 – 578)

957 estimated to the nearest hundred = 1000

578 estimated to the nearest hundred = 600

Difference between 1000 and 600

= 1000 – 600

= 400 Ans.

**Question 28.**

**Solution:**

(7258 – 2429)

7258 estimated to the nearest hundred = 7300

2429 estimated to the nearest hundred = 2400

Difference between 7300 and 2400

= 7300 – 2400

= 4900 Ans.

**Question 29.**

**Solution:**

5612 estimated to the nearest hundred = 5600

3095 estimated to the nearest hundred = 3100

Difference between 5600 and 3100

= 5600 – 3100

= 2500 Ans.

**Estimate each difference to the nearest thousand :**

**Question 30.**

**Solution:**

35863 estimated to the nearest thousand = 36000

27677 estimated to the nearest thousand = 28000

Difference between 36000 and 28000

= 36000 – 28000

= 8000 Ans.

**Question 31.**

**Solution:**

(47005 – 39488)

47005 estimated to the nearest thousand = 47000

39488 estimated to the nearest thousand = 39000

Difference between 47000 and 39000

= 47000 – 39000

= 8000 Ans.

Hope given RS Aggarwal Solutions Class 6 Chapter 1 Number System Ex 1D are helpful to complete your math homework.

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