1. How can you prove a number is composite?

2. What are all the factors of 40?

3. What is a multiple?

4. A number is divisible by 3 if the digits of the number add up to equal _________

5. List the first 5 multiples of 12.

6. A square number has an _________ number of factors

7. _______ numbers are divisible by 2.

8. A square number is a number that has a factor that is multiplied by ___________

9. True or False. 10, 20, 30, 40, ....are considered SQUARE numbers.

10. True or False. (3,7) are a FACTOR PAIR of 21.