Adding Subtracting Fractions with Models

Marty made two types of cookies.  He used 2/3 cup of sugar for one recipe and 1/4 cup  of sugar for the other.  How much sugar did he use in all? 

• 5/12

• 3/7

• 11/12

• 1/3

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Robert made a fruit salad with 11/12 of a pound of melon and 1/6 of a pound of berries. How many pounds of fruit did Robert use in all?

• 1 1/12

• 3/4

• 2/3

• 1 1/2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Pam walks 7/8 of a mile to school.  Paul walks 1/2 of a mile to school.  How much farther does Pam walk than Paul? 

• 3/8

• 4/5

• 1 3/8

• 3/4

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

To add or subtract, two fractions must have...

• a monkey.

• unlike terms.

• common denominators.

• the same numerators.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• 
• 
• 
• 

Tags

CCSS.4.NF.A.1

CCSS.5.NF.B.5B

3/4 - 2/10

• 11/20

• 9/10

• 11/24

• 9/4

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

9 1/2 - 5 1/4

• 4 1/4

• 4 1/2

• 17/4

• 4 3/4

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the sum of these fractions?

• 4/5

• 3/20

• 17/20

• 4/20

Tags

CCSS.7.NS.A.1C

Sally ran 1/3 of a mile and swam 5/6 of a mile. In simplest form, how much farther did she swim than she ran?

• 1/2

• 5/18

• 4/3

• 3/6

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Add the fractions. Simplify if needed.

• 1

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2