# ODD AND EVEN NUMBERS WORKSHEET

Question 1 :

Identify even numbers :

2, 5, 8, 9, 10, 17, 24, 26, 97, 112, 451, 640, 1024, 7895

Question 2 :

Identify odd numbers :

2, 3, 7, 10, 16, 19, 21, 34, 70, 113, 598, 648, 2401, 9487

Question 3 :

What is the smallest two-digit even number?

Question 4 :

What is the largest two-digit even number?

Question 5 :

What is the smallest three-digit odd number?

Question 6 :

What is the largest three-digit odd number?

Question 7 :

What is the smallest four-digit even number?

Question 8 :

What is the largest four-digit odd number?

Question 9 :

Write all even numbers between 9 and 25.

Question 10 :

Write all odd numbers between 20 and 40.

Question 11 :

Write all two-digit even numbers which are evenly divisible by 4.

Question 12 :

Write all two-digit odd numbers which are evenly divisible by 5.

Question 13 :

Find the sum of first 10 odd numbers.

Question 14 :

Find the sum of first 10 evven numbers.

Question 15 :

Find the sum of all odd numbers less than or equal to 15.

Question 16 :

Find the sum of all even numbers between 21 and 31.

Question 17 :

Find the difference between the largest and smallest one-digit odd numbers.

Question 18 :

Find the difference between the largest and smallest two-digit even numbers.

Question 19 :

Find the difference between the largest four-digit even number and and smallest three-digit odd number.

Question 20 :

What is the addition of two odd numbers always?

Question 21 :

What is the addition of two even numbers always?

Question 22 :

What is the addition of an even number and an odd number always?

Question 23 :

What is the product of two odd numbers is always?

Question 24 :

What is the product of two even number always?

Question 25 :

What is the product of an even number and an odd number always?

Question 26 :

What is the product of three odd numbers always?

Question 27 :

Use the following digits and form the smallest three-digit even number (each digit has to be used only once).

3, 4, 6, 7

Question 28 :

Use the following digits and form the largest three-digit odd number (each digit has to be used only once).

1, 3, 6, 9

Question 29 :

Write down one-digit odd numbers which are prime.

Question 30 :

How many even prime numbers are there?

2, 8, 10, 24, 26, 112, 640, 1024

3, 7, 19, 21, 113, 2401

10

98

101

999

1000

9999

10, 12, 14, 16, 18, 20, 22, 24

21, 23, 25, 27, 29, 31, 33, 35, 37, 39

12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, 96

10, 15, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95

Sum of first 10 odd numbers :

= 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19

= 100

Sum of first 10 even numbers :

= 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 + 18 + 20

= 110

Sum of all odd numbers less than or equal to 15 :

= 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15

= 64

Sum of all even numbers between 21 and 31 :

= 22 + 24 + 26 + 28 + 30

= 130

Largest one-digit odd number = 9

Smallest one-digit odd number = 1

Difference :

= 9 - 1

= 8

Largest two-digit even number = 98

Smallest two-digit even number = 10

Difference :

= 98 - 10

= 88

Largest four-digit even number = 9998

Smallest three-digit odd number = 101

Difference :

= 9998 - 101

= 9897

The addiion of two odd numbers is always an even number.

Examples :

3 + 5 = 8

17 + 21 = 38

The addiion of two even numbers is always an even number.

Examples :

4 + 6 = 10

16 + 20 = 36

The addition of an even number and an odd number is always an odd number :

Examples :

6 + 9 = 15

16 + 25 = 41

The product of two odd numbers is always an odd number.

Examples :

3 x 7 = 21

9 x 5 = 45

The product of two even numbers is always an even number.

Examples :

2 x 4 = 8

8 x 12 = 48

The product of an even number and an odd number is always an even number.

Examples :

4 x 9 = 36

7 x 14 = 98

The product of three odd numbers is always an odd number.

Examples :

1 x 3 x 5 = 15

5 x 7 x 9 = 315

3, 4, 6, 7

Among the given digits, the smallest one is 3. The smallest three-digit even number will start with 3.

Using the given digits only once, write all possible three-digit even numbers starting with 3.

364, 374, 346, 376

In the above three-digit even numbers, the smallest one is 346.

1, 3, 6, 9

Among the given digits, largest one is 9. The largest three-digit odd number will start with 9.

Using the given digits only once, write all possible three-digit odd numbers starting with 9.

931, 961, 913, 963

In the above three-digit odd numbers, the largest one is 963.

3, 5, 7

There is only one even prime number, that is 2.

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