In the worksheet for building numbers with digits, the questions help us to practice how to build different types of smallest and largest numbers with different digits. We know that all numbers are formed using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.

**1. **Which is the largest single digit number among 3, 9, 7, 8, 6.

**2. **Write the two-digit numbers formed with each of the following two digits:

(i) 4, 7

(ii) 9, 2

(iii) 1, 6

(iv) 7, 8

**3.** Use the three digits provided to form as many three-digit numbers as possible. No digit should be repeated in any of the numbers formed.

(i) 3, 4, 7

(ii) 5, 0, 9

(iii) 1, 9, 5

**4th** Write both the (a) smallest three-digit number and (b) the largest three-digit number (without repeating a digit) from the following three digits.

(i) 1, 3, 5

(ii) 2, 6, 4

(iii) 5, 9, 0

(iv) 7, 0, 8

**5.** Write the largest three-digit number using the three digits provided. No digit should be repeated in a number.

(i) 5, 8, 6

(ii) 2, 7, 0

(iii) 4, 7, 3

(iv) 6, 0, 8

**6th** Write the smallest two-digit number and the largest two-digit number (without repeating a digit) by taking two digits from the given digits:

(i) 4, 8, 7

(ii) 3, 0, 8

(iii) 7, 9, 3

(iv) 3, 4, 0

(v) 6, 3, 5

(vi) 6, 7, 1

**7th** Write the smallest 4-digit number and the largest 4-digit number (without repeating a digit) from each of the following four-digit groups:

(i) 4, 7, 2, 9

(ii) 3, 6, 2, 4

(iii) 8, 3, 0, 1

(iv) 5, 1, 7, 3

**8th.** Write the smallest three-digit number and the largest three-digit number (without repeating a digit) by taking three digits from the following numbers:

(i) 4, 1, 3, 6

(ii) 9, 3, 2, 5

(iii) 4, 8, 7, 6

(iv) 5, 0, 3, 9

(v) 3, 7, 0, 0

**9.** Write the smallest number by changing the position of the digits of the given three-digit numbers.

(i) 315

(ii) 471

(iii) 476

(iv) 339

(v) 270

(vi) 773

(vii) 544

(viii) 705

**10.** Write the smallest three-digit number using the three digits provided. No digit should be repeated in a number.

(i) 5, 1, 7

(ii) 2, 1, 0

(iii) 4, 1, 3

(iv) 9, 0, 8

**11.** Make the largest 4-digit number and the smallest 4-digit number possible by using only the following digits.

The answers for the Building Numbers with Digits Worksheet are provided below to help you verify the exact answers to the above problems.

**Reply:**

**1.** 9

**2.** (i) 47, 74

(ii) 92, 29

(iii) 16, 61

(iv) 78, 87

**3.** (i) 347, 437, 734, 374, 473, 743

(ii) 509, 905, 590, 950, 059, 095

(iii) 195, 915, 519, 159, 951, 591

**4th** (i) smallest number: 135; largest number: 531

(ii) smallest number: 246; largest number: 642

(iii) smallest number: 509; largest number: 950

(iv) smallest number: 708; largest number: 870

**5.** (i) 865

(ii) 720

(iii) 743

(iv) 860

**6th** (i) smallest number: 47; largest number: 87

(ii) smallest number: 30; largest number: 83

(iii) smallest number: 37; largest number: 97

(iv) smallest number: 30; largest number: 43

(v) smallest number: 35; largest number: 65

(vi) smallest number: 16; largest number: 76

**7th** (i) smallest number: 2479; largest number: 9742

(ii) smallest number: 2346; largest number: 6432

(iii) smallest number: 1038; largest number: 8,310

(iv) smallest number: 1357; largest number: 7531

**8th.** (i) smallest number: 134; largest number: 643

(ii) smallest number: 235; largest number: 953

(iii) smallest number: 467; largest number: 876

(iv) smallest number: 305; largest number: 953

(v) smallest number: 300; largest number: 730

**9.** (i) 135

(ii) 147

(iii) 467

(iv) 339

(v) 207

(vi) 377

(vii) 445

(viii) 507

**10.** (i) 175

(ii) 102

(iii) 134

(iv) 809

**11.** (i) 6501, 1056

(ii) 7332, 2337

(iii) 9843, 3489

(iv) 3210, 1023

(v) 8540, 4058

**4th grade math activities**

**From the worksheet for building numbers with digits to the start page**

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