Multiplication and Division, Part 1

Lesson 17

Math

Unit 2

3rd Grade

Lesson 17 of 21

Objective


Create scaled picture graphs where the scale is provided.

Common Core Standards


Core Standards

  • 3.MD.B.3 — Draw a scaled picture graph and a scaled bar graph to represent a data set with several categories. Solve one- and two-step "how many more" and "how many less" problems using information presented in scaled bar graphs. For example, draw a bar graph in which each square in the bar graph might represent 5 pets.

Foundational Standards

  • 2.MD.D.10

Criteria for Success


  1. Collect and organize categorical data in a table or tally chart. (Spiral from Grade 2)
  2. Represent data in a picture graph in which each picture represents one object/vote. (Spiral from Grade 2)
  3. Understand that a key is a part of a graph that explains the meaning and/or value of the symbols in a graph. 
  4. Represent data in a picture graph in which each picture represents more than one object/vote, as given. 
  5. Include all necessary labels in a drawn picture graph, including a title, category labels, and a key (MP.6).
  6. Answer interpretive questions about data in a picture graph that do not involve the use of operations to solve (e.g., which category is the most popular?) (MP.2). 
  7. Understand the purpose of a picture graph as a way to represent a data set to be able to see trends and analyze it more easily (MP.5). 
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Anchor Tasks

25-30 minutes


Problem 1

Survey all of your classmates to find out what their favorite ice cream flavor is—vanilla, chocolate, or strawberry. Record their answers in an organized way.

Guiding Questions

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Student Response

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Problem 2

Complete the picture graph below using the data you collected in Anchor Task #1. 

Our Class's Favorite Ice Cream Flavors
Vanilla

       

                                                                         

Chocolate

 

 

Strawberry

 

 

Each   represents 1 student.

Guiding Questions

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Student Response

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Problem 3

Complete the picture graph below using the data you collected in Anchor Task #1.

Our Class's Favorite Ice Cream Flavors
Vanilla

       

                                                                         

Chocolate

       

                                                                         

Strawberry

       

                                                                         

 

Key
â—¯ = 2 students

Guiding Questions

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Student Response

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Problem Set

15-20 minutes


Discussion of Problem Set

  • How did you decide how many circles to draw for Pam’s paper clips in #2? How many paper clips did Gina use? How do you know? 
  • How did you construct the picture graph in #7? Why is there a half smiley face for Kindergarten? Did you need to use a half smiley face for any of the other grade levels? Why? 
  • How did you determine the value of the pumpkin in #8? 

Target Task

5-10 minutes


Problem 1

The picture graph below shows the number of books of different genres sold at the book fair.

Book Genre Number of Books Sold
Fantasy

     

Biography  
Mystery        
Comic book    

 

Key
 = 4 books

Which of the following tables shows the same information? 

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Student Response

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Problem 2

Mrs. French is planning a party for her class. Her students vote for their favorite type of cake. Seven students said their favorite type of cake is carrot cake. Complete the picture graph to show the number of students whose favorite cake is carrot cake.

Favorite Types of Cake

Type of Cake Number of Votes

Vanilla

     

Chocolate

 

Confetti

   

Carrot

 

 

Key
= 2 votes

Student Response

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Additional Practice


The Extra Practice Problems can be used as additional practice for homework, during an intervention block, etc. Daily Word Problems and Fluency Activities are aligned to the content of the unit but not necessarily to the lesson objective, therefore feel free to use them anytime during your school day.

Word Problems and Fluency Activities

Word Problems and Fluency Activities

Help students strengthen their application and fluency skills with daily word problem practice and content-aligned fluency activities.

Next

Create scaled picture graphs where the scale must be determined.

Lesson 18
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Lesson Map

A7CB09C2-D12F-4F55-80DB-37298FF0A765

Topic A: The Meaning of Multiplication and Division

Topic B: Multiplication and Division by 2, 5, and 10

Topic C: Multiplication and Division by 3 and 4

Topic D: More Complex Multiplication and Division Problems

Topic E: Scaled Picture and Bar Graphs

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