Add and Subtract Fraction Number Line

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.5.NF.A.1

CCSS.5.NF.A.2

What is the the next step to finding this answer?

• Add the numerators (1+1=2)

• Multiply 12 X 1 for both fractions to find a new numerator
  

• Multiply to find each new numerator by the multiple used to get 12. (3 X1) (4 X 1)

• This is a mistake, you don't need to convert to twelfths

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

6/7 - 2/3 =

• 32/21

• 4/21

• 1 and 3/21

• 7/21

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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

• 3/8 mile

• 4/5 mile

• 1 and 3/8 miles

• 3/4 mile

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

P is what fraction on the number line?

• 6/5

• 3/8

• 5/6

• 6/6

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Answer in simplest form.
1/6 + 1/6

• 1/12

• 2/12

• 2/6

• 1/3

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Answer in simplest form.
5/8 + 3/8

• 1

• 8/8

• 2/8

• 1/4

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Answer in simplest form.
5/12 + 4/12

• 1/12

• 9/12

• 0

• 3/4

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Answer in simplest form.
2/10 + 5/10

• 3/10

• 7/10

• 17/20

• 9/10

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Answer in simplest form.
3/6 - 1/6

• 2/6

• 4/6

• 2/3

• 1/3

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D