Sum of Unit Fractions

Use the model to solve the equation.

• 5/8

• 1/8

• 8/8

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

1. A __________________ always has a numerator of 1.

• fraction

• simplest form

• unit fraction

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2A

Write the fraction as a sum of unit fractions.

• 3/10

• 1/10 +1/10+1/10

• 1/10-1/10-1/10

• 1/3+1/3+1/3

Tags

CCSS.4.NF.B.3A

Use the model to write an equation.

• 6/6-1/6=5/6

• 5/6-1/6=4/6 or 2/3

• 4/6+1/6=5/6

Tags

CCSS.4.NF.B.3A

Write 5/6 as the sum of the unit fractions.

• 1/6 + 1/6 + 1/6 + 1/6 + 1/6

• 1/5 + 1/5 + 1/5 + 1/5 + 1/5

• 2/6 + 1/6 + 1/6 + 1/6

• 1/6

Tags

CCSS.4.NF.B.3B

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 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?

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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

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