Fractions Quiz

QUESTIONS

1. The number above the fraction bar is referred to as the...

        A) Numerator

        B) Denominator

 

2. A fraction is essentially a...

        A) Multiplication problem

        B) Division problem

 

3. The solution to a division problem is referred to as the...

        A) Quotient

        B) Product

 

4. The solution to a subtraction problem is referred to as the...

        A) Sum

        B) Difference

 

 5. The number below the fraction bar is referred to as the...

        A) Numerator

        B) Denominator 

  

6. A proper fraction has a...

        A) Numerator greater than its denominator

        B) Numerator less than its denominator

 

7. The best way to simplify a fraction is to divide both the numerator and denominator by...

        A) The least common multiple (LCM)

        B) The greatest common factor (GCF)

 

8. Prime numbers...

        A) Have only two factors

        B) Are always odd

 

9. In order to add or subtract fractions, they must have a...

        A) Common denominator

        B) Common numerator

 

10. Dividing by a fraction is the same as...

        A) Multiplying by that fraction's reciprocal

        B) Multiplying by that fraction's square root

 

11. The best way to find a common denominator is to find the...

        A) Lowest common multiple (LCM) of the denominators

        B) Greatest common factor (GCF) of the denominators

 

12. The lowest prime number is...

        A) One

        B) Two

 

 ANSWER KEY:

1A, 2B, 3A, 4B, 5B, 6B, 7B, 8A, 9A, 10A, 11A, 12B

 

PRACTICE PROBLEMS

1. What is 16/56 simplified?

2. What is 6/80 simplified?

3. What is the greatest common factor of 15 and 45?

4. What is the greatest common factor of 6 and 27?

5. What is the least common multiple of 8 and 20?

6. What are the first five prime numbers?

7. What is 1/4 + 5/7?

8. What is 2/4 - 3/7?

9. What is 1/4 x 5/7?

10. What is 1/4 ÷ 5/7?

 

 ANSWER KEY:

1: 2/7

2: 3/40

3: 15

4: 3

5: 40

6: 2, 3, 5, 7, 11

7: 27/28

8: 1/14

9: 5/28

10: 7/20