By the end of the lesson, I will be able to…

Lesson 11

Objective: Solve and create fraction word problems involving addition, subtraction, and multiplication.

5th Grade Module 4– Lesson 11 K. Clauson

Convert Measures

Complete the following conversions 24 in = _______ ft 4 qt = _______ gal 48 in = _______ ft 8 qt = _______ gal 3 ft = _______ yd 12 qt = _______ gal 9 ft = _______ yd 36 qt = _______ gal

Multiply Whole Numbers by Fractions Using Two Methods

Write the Expression to Match the Diagram

Today we will complete word problems that require us to combine our previous knowledge of adding and subtracting fractions with new knowledge of multiplication to find fractions of a set.

Here are the steps we are going to follow as we work through today’s problems.

1. Model the problem. Can you draw something? What can you draw? What conclusions can you make from your drawing? 2. Calculate to solve and write a statement.

3. Assess the solution for reasonableness . Concept Development

Problem 1

Kim and Courtney share a 16-ounce box of cereal. By the end of the week, Kim has eaten 3/8 of the box, and Courtney has eaten 1/4 of the box of cereal. What fraction of the box is left?

Problem 1: Solution

Problem 1: Solution #2

Problem 2

Mathilde has 20 pints of green paint. She uses 2/5 of it to paint a landscape and 3/10 of it while painting a clover. She decides that, for her next painting, she will need 14 pints of green paint. How much more paint will she need to buy?

Problem 2: Solution

Problem 2: Solution #2

Problem 2: Solution #3

Problem 4

Mrs. Diaz makes 5 dozen cookies for her class. One-ninth of her 27 students are absent the day she brings the cookies. If she shares the cookies equally among the students who are present, how many cookies will each student get?

Problem 4: Solution

Problem 4: Solution #2

Problem 4: Solution #3

Get Ready to Finish the Problem Set on Your Own!

Start working on Lesson 11

HOMEWORK

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You will have 10 minutes to work.

Try your Best!

5th Grade Module 4– Lesson 11 K. Clauson

• • Take 2 minutes to check your answers with your partner.

Let’s share any insights you had while solving these problems.

5th Grade Module 4- Lesson 11 K. Clauson

5th Grade Module 4– Lesson 11 K. Clauson

EXIT TICKET

LESSON 11