The DAV Class 3 Maths Book Solutions and **DAV Class 3 Maths Chapter 1 Brain Teasers** Solutions of Numbers upto 9999 offer comprehensive answers to textbook questions.

## DAV Class 3 Maths Ch 1 Brain Teasers Solutions

Question 1.

Tick (✓) the correct answer.

(a) The numeral for nine thousand ninety is _______.

(i) 9900

(ii) 9090

(iii) 9009

(iv) 0909

Solution:

(ii) 9090

The numeral for nine thousand ninety is 9090.

So Ans. is (ii)

(b) There are _______ tens in one hundred.

(i) 0

(ii) 1

(iii) 100

(iv) 10

Solution:

There are 10 tens in one hundred.

So Ans. is (iv)

(c) The numeral for 5000 + 20 + 4 is _________

(i) 5204

(ii) 5024

(iii) 524

(iv) 542

Solution:

(ii) 5024

The numeral for 5000 + 20 + 4 is 5024

So Ans. is (ii).

(d) If the places of the digits 8 and 6 are interchanged in the numeral 8176, then the new numeral is

(i) 1786

(ii) 6178

(iii) 7168

(iv) 7861

Solution:

(ii) 6178

Places of 8 and 6 are interchanged

New numeral = 6178

So Ans. is (ii)

(e) Which place should we compare to determine the greater of the given numerals – 7295 and 7259?

(i) ones

(ii) hundreds

(iii) tens

(iv) thousands

Solution:

(iii) tens

We compare tens place.

So Ans. is (iii)

Question 2.

Find these numbers in the given chart. Colour them using pencil colours or crayons.

Chart:

Solution:

Question 3.

Encircle the numbers in which place value of 8 is 80.

358, 2681, 183, 86, 843, 8326, 486, 8

Solution:

358, 2681, 183, 86, 843, 8326, 486, 8

Question 4.

Write the smallest 4-digit number using the digits, 4, 1, 8 and 0 only once.

Solution:

1048

Question 5.

Write the greatest 3-digit number using the digits 9, 0 and 3 only once.

Solution:

930.

Question 6.

Complete the pattern.

(a) 1005, 1015, 1025, ____, ____, ____.

Solution:

1005, 1015, 1025, 1035, 1045, 1055

(b) 2222, 3333, 4444, ____, ____, ____.

Solution:

2222, 3333, 4444, 5555, 6666, 7777

Question 7.

Fill in the blanks.

(a) The expanded form of 3783 is ______.

Solution:

The expanded form of 3783 is 13000 + 700 + 80 + 3

(b) The greatest 4-digit number is ______.

Solution:

The greatest 4-digit number is “9999”.

(c) Place value of 6 in 5628 is ______.

Solution:

Place value of 6 in 5628 is 6 hundreds or 600 digits

(d) The predecessor of smallest 3-digit number has ______ digits.

Solution:

The predecessor of smallest 3 – digit number has 2 digits.

Additional Questions:

Question 1.

Write the numbers that follow:

(a) 1034 ____ ____ ____ ____ ____

Solution:

1034 1035 1036 1037 1038 1039

(b) 3647 ____ ____ ____ ____ ____

Solution:

3647 3648 3649 3650 3651 3652

Question 2.

Write in expanded form.

(a) 4573 = _______

Solution:

4573 = 4000 + 500 + 70 + 3

(b) 9701 = _______

Solution:

9701 = 9000 + 700 + 0 + 1

(c) 6832 = _______

Solution:

6832 = 6000 + 800 + 30 + 2

Question 3.

Make the greatest and smallest 3-digit numbers with given digits.

(a) 8, 3, 6

Solution:

Digits 8, 3, 6

Smallest number 3, 6, 8

Greatest number 8, 6, 3

(b) 4, 0, 2

Solution:

Digits 4, 0, 2

Smallest number 2, 0, 4

Greatest number 4, 2, 0

Question 4.

Write >, < or =

(a) 9378 ____ 999

Solution:

9378 > 999

(b) 7307 ____ 7037

Solution:

7307 > 7037

(c) 638 ____ 128

Solution:

638 > 128

(d) 1720 ____ 1270

Solution:

1720 > 1270

(e) 107 ____ 170

Solution:

107 < 170

(f) 111 ____ 111

Solution:

111 = 111

Question 5.

Write (a) in descending order and (b) in ascending order.

(a) 4678, 3050, 5860, 7312, 6333

Solution:

Descending order = 7312, 6333, 5860, 4678, 3050

(b) 6030, 2015, 1005, 1075, 2005

Solution:

Ascending order = 1005, 1075, 2005, 2015, 6030