Videos, examples, solutions, and lessons to help Grade 5 students learn how to divide a unit fraction by a whole number.
Common Core Standards: 5.OA.1, 5.NBT.7, 5.NF.7
The following diagram gives an example of dividing dividing a fraction by a whole number using modeling. Scroll down the page for more examples and questions on dividing a fraction by a whole number.
Lesson 26 Concept Development
Nolan gives some pans of brownies to his 3 friends to share equally.
a. If he has 3 pans of brownies, how many pans of brownies will each friend get?
b. If he has 1 pan of brownies, how many pans of brownies will each friend get?
c. If he has 1/2 pan of brownies, how many pans of brownies will each friend get?
d. If he has 1/3 pan of brownies, how many pans of brownies will each friend get?
1/5 ÷ 2 = ______
If Melanie pours 1/2 liter of water into 4 bottles, putting an equal amount in each, how many liters of water will be in each bottle?
Lesson 26 Problem Set
Draw a model or tape diagram to solve. Use the thought bubble to show your thinking. Write your quotient in the blank. Use the example to help you.
a. 1/3 ÷ 2
b. 1/3 ÷ 4
Divide. Then multiply to check.
a. 1/7 ÷ 3
b. 1/3 ÷ 6
e. 1/5 ÷ 2
f. 1/6 ÷ 3
Mariano delivers newspapers. He always puts 3/4 of his weekly earnings in his savings account, then divides the rest equally into 3 piggy banks for spending at the snack shop, the arcade, and the subway.
a. What fraction of his earnings does Mariano put into each piggy bank?
b. If Mariano adds $2.40 to each piggy bank every week, how much does Mariano earn per week delivering papers?
Solomon has read 1/3 of his book. He finishes the book by reading the same amount each night for 5 nights.
a. What fraction of the book does he read each of the 5 nights?
b. If he reads 14 pages on each of the 5 nights, how long is the book?
Lesson 26 Homework
Solve and support your answer with a model or tape diagram. Write your quotient in the blank.
1/2 ÷ 4 = ______
1/3 ÷ 5 = ______
Lesson 26 Homework
This video shows how to divide unit fractions by whole numbers. Diagrams are used as a concrete presentation of the process.
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