Add and Subtract Fractions with Models

In this problem, you need to change ___ to ___ before you can find the sum.

• 1/8 to 1/2

• 1/2 to 1/8

• 1/2 to 4/8

• 1/2 to 8/4

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Find the sum.

Tags

CCSS.4.NF.B.3A

Before finding the sum, you must change ___ to ___.

• 1/8 to 2/8

• 1/4 to 1/8

• 1/4 to 2/8

• 4/8 to 2/4

Solve this problem.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Add these two fraction models together. What is their sum?

• 1 6/10

• 1 6/100

• 9/100

• 6/10

Tags

CCSS.4.NF.C.5

• A

• B

• C

• D

Tags

CCSS.4.NF.B.3A

Simply the following fraction model.

Answer explanation

The shaded area is the top number (numerator). The total boxes in one shape is the bottom number (denominator). If the numerator and denominator are the same then the answer is 1.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

You can not find the sum for this problem until you change _____ to _____.

• 1/6 to 5/6

• 1/2 to 3/6

• 1/6 to 1/2

• 1/2 to 6/3

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Before finding the difference, you must change ___ to ___.

• 1/2 to 2/4

• 1/4 to 1/2

• 1/4 to 2/4

• 1/2 to 1/2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Before finding the difference, you must change ___ to ___.

• 7/8 to 1/2

• 1/8 to 1/2

• 1/2 to 2/4

• 1/2 to 4/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2