Add and Subtract Rational Fractions with Like Base

Review: What is 1/10 + 5/10?

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Landon has 8/10 of his lawn left to mow. He mows 6/10 of the lawn before breaking for breakfast. How much more of the lawn does Landon have left to mow?

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Review: What is 1/10 less than 5/10?

Tags

CCSS.4.NF.B.3A

Kirk has 3/4 of a carton of eggs. He uses some of the eggs to make an omelette and now has 2/4 of the carton left. What fraction of the carton did Kirk use?

Tags

CCSS.4.NF.B.3A

3/8 + 2/8

• 5/8

• 1/8

• 5/16

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

6/12 - 3/12

• 9/12

• 3/12

• 8/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

6/10 - 5/10

• 1/10

• 1/20

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

5/6 + 1/6

• 6/12

• 6/6 or 1

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

two sixths plus one sixth

• 3/6

• 3/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

1/5 + 1/5 + 1/5 

• 2/5

• 1/5

• 3/5

Tags

CCSS.4.NF.B.3A