Lesson 2: Divisibility Tests — Practice Questions

1. 1. Which of the following numbers is a multiple of 8?

   • A. 28
   • B. 46
   • C. 56
   • D. 68

2. 2. Since $6 \cdot 9 = 54$, we know that 54 is divisible by 6 and ___.

3. 3. The number 48 is a multiple of 6. What does this imply?

   • A. 6 is divisible by 48.
   • B. 48 is divisible by 6.
   • C. 48 is a factor of 6.
   • D. Both numbers are equal.

4. 4. The factors of 20 are 1, 2, 4, 5, ___, and 20.

5. 5. Which of the following statements is true?

   • A. 42 is divisible by 5.
   • B. 42 is divisible by 7.
   • C. 42 is divisible by 8.
   • D. 42 is divisible by 9.

6. 6. Which of the following numbers is divisible by 4?

   • A. 2,738
   • B. 3,142
   • C. 5,376
   • D. 8,910

7. 7. The number 4,1_2 is divisible by 9. What is the missing digit that should go in the blank? ___

8. 8. Which number below is divisible by both 3 and 5?

   • A. 1,475
   • B. 2,340
   • C. 3,815
   • D. 5,212

9. 9. The number 8,126 is not divisible by 3. What is the smallest whole number you could add to 8,126 to make the new number divisible by 3? ___

10. 10. If you know a whole number is divisible by 10, which of the following must also be true?

    • A. The number is divisible by 3 and 4.
    • B. The number is divisible by 2 and 5.
    • C. The number is divisible by 4 and 5.
    • D. The number is divisible by 3 and 9.