Adding Fractions

How do I add this fractions? 

• 6/6
• 6/12
• 5/6
• 6/36

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

How do I add this fraction?

• 9/9
• 8/9
• 7/81
• 20/9

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Write an addition equation that matches the shading in the model:

• 3/3 + 2/3 = 5/6
• 4/6 + 3/6 = 5/6
• 3/6 + 2/6 = 5/6

Tags

CCSS.4.NF.B.3A

½ + ½

• 3/4

• 4/4

• 1/2

• 2/2

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

5/12 + 5/ 12

• 10/12

• 5/12

• 1/12

• 1/5

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

1/6 + 5/6

• 6/6

• 1

• 4/6

• 5/6

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

2/12 + 3/12

• 5/12
• 5/24
• 6/12
• 6/144

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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

Write the UNIT fraction addition equation for the 6/8:

• 3/8 + 3/8 = 6/8
• 1/8 + 1/8 + 1/8 + 1/8 + 1/8 + 1/8 = 6/8
• 2/8 + 2/8 + 2/8 = 6/8

Tags

CCSS.4.NF.B.3A

Decompose 8/12

• 4/5 + 3/10 = 8/12
• 5/12 + 3/12 = 8/12
• 2/12 + 3/12 + 1/12 = 8/12

Tags

CCSS.4.NF.B.3B