Fraction Operations

What is the reciprocal of 2/5

• 5/2

• 4/10

• 5

• 2

What is the reciprocal of 1/3

• 2/6

• 3/2

• 3

• 1

What do I get when I multiply a number by its reciprocal?

• the original number

• the reciprocal

• 0

• 1

Solve: 1/3 ÷ 1/2

• 1/6

• 2/3

• 3/2

• 6

Solve: 2 ÷ 2/4

• 1/4

• 1

• 2

• 4

Solve: 1/7 ÷ 5

• 11

• 1/35

• 1/11

• 5/7

Identify the operation you would use to solve:

Jason is baking cookies for a party. He has a recipe that calls for 2/3 cups flour. If he needs to triple the recipe, how much flour does the recipe require?

• Addition

• Subtraction

• Multiplication

• Division

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

What operation would I use to solve?

Last night, Fiona studied for 1 1/2 hours for her math unit test. If she is planning on studying for another 3/4 of an hour tonight, how much will she study in total for her test?

• Addition

• Subtraction

• Multiplication

• Division

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What operation would I use to solve?

Marc is decorating for the holidays by placing ribbon along his stair railing. If the railing is 8m long and each ribbon is 3/4 m long, how many ribbons does Marc need to buy to fully cover the railing?

• Addition

• Subtraction

• Multiplication

• Division

What operation would I use to solve?

Jamal and Katie are training for a marathon by running every day. If Jamal ran 3 2/3 km on Thursday and Katie ran 4 5/6 km, how much farther did Katie run than Jamal?

• Addition

• Subtraction

• Multiplication

• Division

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2