Add and Subtract Fractions with Models

What number could be a common denominator for these two fractions?

1/5 and 5/6

• 30

• 11

• 6

• 5

2/5 + 3/10

• 7/10

• 5/10

• 1/2

• 5/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

2/3 - 2/4 =

• 4/7

• 2/12

• 2/3

• 1/4

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

If Rory measures the lemon juice and the vanilla extract into one spoon before adding them to the blender, how much liquid will be in the spoon? (Draw a model!)

• 5/8 teaspoon

• 1/5 teaspoon

• 1/4 teaspoon

• 3/8 teaspoon

Tags

CCSS.4.NF.B.3A

What is 7/8 - 2/4?

• 3/8

• 11/8

• 5/12

• 9/12

Tags

CCSS.4.NF.B.3A