Grade 5 Work Stafion Division with Unit Fracfions

Grade 5 Work StaƟon

Division with Unit FracƟons

#ThankATeacher #TeacherDay #TeacherAppreciaƟonWeek Center 3: Dividing Whole Numbers and Unit Fractions Reporting Category 2, TEKS 5(3)(L)

Folder tab label: RC 2 TEKS 5(3)(L)

Dividing Whole Numbers and Unit Fractions

Cover:

Reporting Category 2

Computations and Algebraic

Relationships

TEKS 5(3)(L)

Dividing Whole Numbers

and Unit Fractions

Content Objective I can solve problems involving division with whole numbers and unit fractions.

Language Objective I can represent and explain division with whole numbers and unit fractions.

Key Questions 1. What do you notice about the quotient when a unit fraction is divided by a whole number? 2. What do you notice about the quotient when a whole number is divided by a unit fraction?

Center 3: Dividing Whole Numbers and Unit Fractions Reporting Category 2, TEKS 5(3)(L)

Dividing Whole Numbers and Unit Task 2: Dividing Sugar Fractions

Task 1: Representing and Explaining Equation Cards Division with Unit Fractions

• Use a strip diagram to show why Please do not write on cards. each statement is true. • Use the Vocabulary Helper as needed.

Task 2: Dividing Sugar • Determine which Equation Card best represents the problem. • Determine the number that will make each equation true.

Task 3: Assessment • Read and work through the Task 3: Assessment assessment question. Taylor had 18 lb of dog food. She fed her dog

1 lb of dog food every day until the dog food 6

was gone. For how many days did Taylor feed

the dog food to her dog?

Task 1: Representing and Explaining Division with Unit Fractions A 24 days

Vocabulary Helper: B 3 days

Dividend: The number being divided C 108 days

Divisor: The number by which the D 114 days dividend is divided

Quotient: The result of the division

Center 3: Dividing Whole Numbers and Unit Fractions Reporting Category 2, TEKS 5(3)(L)

Cardstock Four sets of cards are provided. 1 1 32 ÷=______÷=3 ______2 2 1 1 ÷=2 ______32 ÷=______4 4 1 1 32 ÷=______÷=3 ______2 2 1 1 ÷=2 ______32 ÷=______4 4 1 1 32 ÷=______÷=3 ______2 2 1 1 ÷=2 ______32 ÷=______4 4 1 1 32 ÷=______÷=3 ______2 2 1 1 ÷=2 ______32 ÷=______4 4

Center 3: Dividing Whole Numbers and Unit Fractions Reporting Category 2, TEKS 5(3)(L)

Answer Key

Task 1 1. When a whole number is divided by a unit fraction the result is each unit being divided into smaller parts. Dividing each unit of 6 into four equal parts results in 24 equal parts of one- fourths, so the qotient will be a whole number greater than the dividend.

1 1 1 1 1 1

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4

1 1 1 2. Dividing into 6 equal parts results in a unit fraction of because each of the whole is 4 24 4 divided into 6 equal parts.

1 4

Task 2 1 1. 32 ÷=64 2

1 1 2. ÷=2 4 8

1 1 3. ÷=3 2 6

1 4. 32 ÷=128 4

Task 3 C

Name: ______Date: ______

Task 1: Representing and Explaining Division with Unit Fractions

1. When a whole number is divided by a unit fraction, the quotient is a whole number greater than the dividend.

1 Use the expression 6 ÷ and a strip diagram to explain why this is true. 4

2. When a unit fraction is divided by a whole number, the quotient is a unit fraction less than the dividend.

1 Use the expression ÷ 6 and a strip diagram to explain why this is true. 4

Name: ______Date: ______

Task 1: Representing and Explaining Division with Unit Fractions

1. When a whole number is divided by a unit fraction, the quotient is a whole number greater than the dividend.

1 Use the expression 6 ÷ and a strip diagram to explain why this is true. 4

2. When a unit fraction is divided by a whole number, the quotient is a unit fraction less than the dividend.

1 Use the expression ÷ 6 and a strip diagram to explain why this is true. 4

Name: ______Date: ______

Task 2: Dividing Sugar

1. At the bakery, Ms. James has 32 pounds of sugar. For how many hours will the bags of sugar 1 last if she uses -pound of sugar every hour? 2

1 2. Ms. James shared of a bag of sugar between two of her friends while they were making 4 cookies. How much of the bag of sugar did each friend receive?

1 3. Ms. James had of a bag of sugar. She separated the sugar equally into three different 2 bowls. How much of the bag of sugar did she place in each bowl?

1 4. Ms. James had 32 pounds of sugar. She used of a pound each time she made a batch of 4 cookies. How many batches of cookies will Ms. James be able to make with this sugar?