Section 1: Understanding Even and Odd Numbers

1. Define an even number. Provide two examples.

2. Define an odd number. Provide two examples.

3. Identify whether the following numbers are even or odd:

   • 7

   • 12

   • 45

   • 88

   • 101

Section 2: Fill in the Blanks

4. The number 16 is ___ (even/odd).

5. 27 is ___ (even/odd).

6. A number that ends in 0, 2, 4, 6, or 8 is always ___.

7. A number that ends in 1, 3, 5, 7, or 9 is always ___.

Section 3: True or False

8. All numbers divisible by 2 are even. (True/False)

9. The sum of two odd numbers is always even. (True/False)

10. Adding an even number to an odd number always gives an odd result. (True/False)

Section 4: Patterns and Problem-Solving

11. Write the next five even numbers after 20.

12. Write the next five odd numbers after 31.

13. If xxx is an odd number, what is x+2x + 2x+2?

14. If yyy is an even number, what is y−1y - 1y−1?

Section 5: Advanced Questions

15. What is the smallest even number?

16. What is the smallest odd number?

17. If the product of two numbers is 36, can both numbers be odd? Explain your answer.

18. Identify whether the sum and product of 9 and 4 are even or odd.

Section 6: Word Problems

19. Lily has 12 apples, and she wants to divide them equally between 2 baskets. Will each basket have an even or odd number of apples?

20. Jack has 15 marbles. He gives 3 marbles to each of his 5 friends. After dividing them, are the marbles left with Jack even or odd?

End of Worksheet

Answers

Worksheet: Even and odd numbers