# Back to School Supply Shopping

• Math
• 55 minutes
• Standards: 5.NBT.B.7
• 5.0 based on 1 rating
August 16, 2015

Itâ€™s the beginning of the school year and your class needs supplies! Can your students successfully shop for everything they need and stay on budget? Find out in this real-world application of multiplying whole numbers by decimals.

### Learning Objectives

Students will be able to apply their knowledge of multiplying whole numbers by decimals in real world situations.

## Lesson

### Introduction (5 minutes)

• Tell students, "Today we are going to do some make-believe back to school shopping. But you won't just be buying for yourself. You will need a class set of each of the supplies on the supply list."
• Ask students to turn and talk about what steps they might take to accomplish this task. Some guiding questions you can ask are: What type of math will you need to use? what numbers will you be working with?

### Guided Practice/Interactive Modeling (10 minutes)

• Distribute the school supply lists (see Differentiation for details) and budget sheets.
• Model choosing an item from the supply list, locating in the store ad, writing its details on the worksheet, and calculating the cost.
• Invite students to assist with the multiplication.
• Repeat as necessary.

### Independent Working Time (20 minutes)

• Students will use the store ads, school supply lists, and budget sheets to plan their shopping trip.

## Extend

### Differentiation

• Enrichment: Advanced students can be given supply list 3.
• Support: Struggling students can be given supply list 1.

## Review

### Assessment (5 minutes)

• Use the budget sheets to evaluate students' understanding of multiplying whole numbers and decimals.
• Assess whether they stayed within their allotted budget.

### Review and Closing (5 minutes)

• Have students write responses to the following questions: What was the most challenging part of this assignment? What are the most important steps to remember when multiplying decimals and whole numbers?