Math 7 Unit 6 Introduction to Fraction Operations

1. The addition statement represented by the fraction strips below is. + True or False

1. The addition statement represented by the fraction strips below is. + True or False

2. The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24. True or False

2. The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24. True or False

3. If the sum of a number’s digits is divisible by 9, then the number is divisible by 9. True or False

3. If the sum of a number’s digits is divisible by 9, then the number is divisible by 9. True or False

4. In lowest terms, what fraction of the hexagon is shaded?

1/3

5. What are the common factors of 8 and 30?

1, 2,

6. What is the greatest common factor of 14 and 35?

7

7. What is the greatest common factor of 16 and 24?

8

8. What is the subtraction statement represented by the diagram?

9. In lowest terms, what is the result of the addition statement represented by the diagram?

10. What is the difference, in lowest terms, of the subtraction statement shown in the diagram?

11. What fraction is equivalent to ?

12. The number 12 is divisible by 1, 2, 3, 4, 6, and 12. The number 15 is divisible by 1, 3, 5, and 15. The numbers 1 and 3 are ____________________ of 12 and 15.

common factors

13. Subtract. The answer in lowest terms is ____________________.

14. Subtract each pair of fractions and give the answer in lowest terms.

15. Evaluate the following and express your answers in lowest terms.

16. Which fraction is equivalent to ? a. 3/6b. 2/3c. 6/9d. 3/4

16. Which fraction is equivalent to ? a. 3/6b. 2/3c. 6/9d. 3/4

17. Evaluate each expression. Show your answers in lowest terms.

17. Evaluate each expression. Show your answers in lowest terms.

18. Write a fraction, in lowest terms, to represent each situation. a) 12 marbles out of a bag of 36 b) 3 markers out of a box of 30

18. Write a fraction, in lowest terms, to represent each situation. a) 12 marbles out of a bag of 36 b) 3 markers out of a box of 30 a) 12/36 = 1/3 b) 3/30 = 1/10

19. Write a fraction, in lowest terms, to represent each situation. a)10 sheets of paper used out of a pack of 200 b) 3 slices of pizza out of 12

19. Write a fraction, in lowest terms, to represent each situation. a)10 sheets of paper used out of a pack of 200 b) 3 slices of pizza out of 12 a)10/200 = 1/20 b) 3/12 = 1/4

20. What is the difference, in lowest terms, of the subtraction statement shown in the diagram? a. 1/2b. 1/3c. 1/4d. 1/6

20. What is the difference, in lowest terms, of the subtraction statement shown in the diagram? a. 1/2b. 1/3c. 1/4d. 1/6

21. Solve: 2/5 – 1/5 a. 1/10b. 1/5c. 2/5d. 2/10

21. Solve: 2/5 – 1/5 a. 1/10b. 1/5c. 2/5d. 2/10

22. Ms. Lohan’s art class has decided to put some money together to buy painting supplies for her birthday. The items they purchased and the total cost for each are as follows: brushes$15.00canvas boards $35.00 sketchpads$10.00sketch pencils $5.00 a) What is the total cost of the painting supplies?

22. Ms. Lohan’s art class has decided to put some money together to buy painting supplies for her birthday. The items they purchased and the total cost for each are as follows: brushes$15.00canvas boards $35.00 sketchpads$10.00sketch pencils $5.00 a) What is the total cost of the painting supplies? = 65 The total cost is $65.00.

23. Ms. Lohan’s art class has decided to put some money together to buy painting supplies for her birthday. The items they purchased and the total cost for each are as follows: brushes$15.00 canvas boards $35.00 sketchpads$10.00sketch pencils $5.00 b) Write a fraction to represent the cost of each item out of the total cost. Write each fraction in lowest terms.

23. Ms. Lohan’s art class has decided to put some money together to buy painting supplies for her birthday. The items they purchased and the total cost for each are as follows: brushes$15.00 canvas boards $35.00 sketchpads$10.00sketch pencils $5.00 b) Write a fraction to represent the cost of each item out of the total cost. Write each fraction in lowest terms. brushes: 15/65 = 3/13 ; canvas boards: 35/65 = 7/13; sketchpads: 10/65 = 2/13; pencils: 5/65 = 1/13