Adding and Subtracting Mixed number and fraction Review

Convert the improper fraction 17/4 to a mixed number

• 4 3/4

• 17/4

• 4 1/2

• 4 1/4

Alana solved this addition problem. What should her simplified answer be?

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

John has 3 1/4 gallons of paint in one can and 2 2/3 gallons in another. How much paint does he have in total?

• 5 11/12

• 7 1/2

• 6 3/4

• 4 1/2

Answer explanation

To find the total amount of paint, add 3 1/4 gallons and 2 2/3 gallons. The correct answer is 5 5/12 gallons.

Tags

CCSS.7.NS.A.1C

Emily had 5 3/8 pounds of flour. After using 2 1/4 pounds to bake a cake, how much flour does she have left?

• 3 1/8

• 1 5/8

• 4 1/2

• 2 3/8

Answer explanation

Emily had 5 3/8 pounds of flour. She used 2 1/4 pounds to bake a cake. Subtracting the used amount from the initial amount, she has 3 1/8 pounds of flour left. Therefore, the correct answer is 3 1/8.

Tags

CCSS.7.NS.A.1C

Solve the word problem: If John ate 3/4 of a pizza and Mary ate 2/3 of the remaining pizza, how much of the pizza did they eat altogether?

• 7/8 of the pizza

• 11/12 of the pizza

• 1/2 of the pizza

• 3/5 of the pizza

Answer explanation

John ate 3/4 of the pizza. Mary ate 2/3 of the remaining pizza. To find the total amount they ate, we multiply 3/4 by 1/3 and subtract it from 3/4. The correct choice is 11/12 of the pizza.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Solve the word problem: A recipe calls for 2 1/2 cups of flour, but you only have 1 3/4 cups. How much more flour do you need?

• 3/4 cup

• 1/2 cup

• 1 1/2 cups

• 2 1/4 cups

Answer explanation

To find out how much more flour you need, subtract the amount you have (1 3/4 cups) from the amount required (2 1/2 cups). The difference is 3/4 cup, which is the correct choice.

Tags

CCSS.7.NS.A.1C

John has 3/4 of a pizza left from last night, and he gave 1/6 of a pizza to his friend. How much pizza does John have left?

• 2/5

• 7/8

• 1/3

• 5/12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Which model matches the word problem below:

Ms. Callison gave Wesley 3/5 of a cup of dog food. Wesley broke in to the dog food bag and ate another 2/5 of a cup of food. How much food did Wesley have in all?

• 
• 
• 
• 

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What addition problem does this model represent?

• 1/10 + 2/3

• 1/11 + 2/3

• 1/11 + 1/3

• 1/10 + 1/3

Answer explanation

1. 1. Count the parts correctly.

2. 2. if 1/11 are shaded onthe first one, then add to the shaded parts of the next one, 2/3

Tags

CCSS.4.NF.B.3A

What problem can be represented with the model?

• 1/4 + 1/3

• 3/4 + 1/3

• 3/4 + 2/3

• 1/4 + 2/3

Answer explanation

You need to pick the same parts of the whole.

1/4 are shaded added to the other shaded parts, 2/3.

Tags

CCSS.4.NF.B.3A