Add and Subtract Fractions Model

2/3 - 2/4 =

• 4/7

• 2/12

• 2/3

• 1/4

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Is this a correct answer?

• Yes, the student correctly added.

• No, you cannot add unlike denominators

• No, 5 + 7 is not 12

• No, 2 + 3 is not 5

Tags

CCSS.7.NS.A.1C

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

Solve this problem.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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 is the sum of these fractions in lowest terms?

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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 is the sum of these fractions in lowest terms?

• 22/5

• 6/3

• 22/15

• 6/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the sum of these fractions in lowest terms?

• 22/5

• 6/3

• 22/15

• 6/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• -4/3
• 13/18
• 4/3
• 2/9

Tags

CCSS.7.NS.A.1C