Adding Subtracting Fractions

• It is reasonable because 1/4 + 1/4 = 2/4

• It is reasonable because 1/2 + 1/2 = 1

• It is not reasonable because 1/4 + 2/4 = 1

• It is not reasonable because 1/3 + 1/3 = 2/3

• Emma is correct because she rewrote each mixed number as a fraction greater than one

• Emma is incorrect because she only wrote the whole numbers as fractions greater than one

• Emma is correct because she only subtracted the numerators and not the denominators

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

If Johnny wants to run 1 1/2 miles today and he has already ran 3/4 miles, what is the distance Johnny still has to go to reach his goal?

• 1/2 mile

• Just stop running Johnny

• 2 miles

• 3 feet

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

2 1/2 + 3 1/2 =?

• 6 3/4

• 6

• 15

• 5 3/4

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the sum of these fractions in lowest terms?

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

What is the sum of these fractions in lowest terms?

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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

What is the sum of these fractions in lowest terms?

• 4/5

• 3/20

• 17/20

• 4/20

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the sum of these fractions in lowest terms?

• 7/18

• 7/9

• 12/9

• 12/81

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D