Adding and Subtracting Fractions

Which fraction is equivalent to 3/4 or three fourths?

• 2/4 or two fourths

• 3/5 or three fifths

• 5/8 or five eighths

• 6/8 or six eighths

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What is the sum of these fractions in lowest terms?

(a)  

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Find the sum.

• 7/18

• 7/9

• 12/9

• 12/81

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Ben and Noah shared a box of chocolates. The models are shaded to show the fraction of the box of chocolates each of them ate. What fraction of the of the box of chocolates did Ben and Noah eat altogether? Move the labels to correctly fill out the fraction eaten.

c

b

12

7

2

4

8

1

5

Tags

CCSS.4.NF.B.3A

What equation is shown?

• 3/10 + 3/10 = 6/10

• 6/10 - 3/10 = 3/10

• 3/10 + 6/10 = 9/10

• 0 + 3/10 = 6/10

Tags

CCSS.4.NF.B.3A

What equation is shown here?

• 2/10 + 6/10 = 8/10

• 6/10 - 4/10 = 2/10

• 2/10 + 4/10 = 6/10

• 0+ 2/10 = 6/10

Tags

CCSS.4.NF.B.3A

Ben and Noah shared a box of chocolates. The models are shaded to show the fraction of the box of chocolates each of them ate. What fraction of the of the box of chocolates did Ben and Noah eat altogether? Move the labels to correctly fill out the fraction eaten.

c

b

7

1

4

12

8

2

5

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Which expression completes each statement to make it true? Move the correct answer to each box. Each answer may be used more than once. Not all answers will be used. The fraction of the baskets that contain fruit or candy is ​ ​ (a)   ​ . The fraction of the baskets that contain cookies is ​ ​ (b)   ​ .

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What equation is shown on the number line?

• 1/5 + 3/5 = 4/5

• 4/5 - 1/5 = 3/5

• 1/5 + 4/5 = 5/5

• 4/5 - 3/5 = 1/5

Tags

CCSS.4.NF.B.3A

What equation is shown here?

• 1/5 + 2/5 = 3/5

• 1/5 + 3/5 = 4/5

• 0 + 1/5 = 3/5

• 3/5 - 2/5 = 1/5

Tags

CCSS.4.NF.B.3A