Lesson 10 Drawings, Situations, and Diagrams, Oh My!

    • Let’s represent equal groups.

Warm-up Notice and Wonder: Socks

What do you notice? What do you wonder?

6 pairs of socks.

Activity 1 Scaled Picture Graph to Diagram

Picture Graph. Signs I Saw on the Way Home. Key: each square represents 2 signs. stop signs, 2 squares. yield signs, 1 square. speed limit signs, 3 squares. street signs, 5 squares.
Diagram. rectangle partitioned into 3 equal parts, each labeled 2.

  1. How does the diagram show the speed limit signs that Elena saw on the way home?

  2. Represent the data from another category in the graph with your own drawing or diagram.

Activity 2 Card Sort: Equal Groups

Problem 1

Your teacher will give you a set of cards that show drawings, situations, and diagrams. Find the cards that match. Be ready to explain your reasoning.

Problem 2

Create a drawing or diagram for each situation.

  1. There are 4 bags. Each bag has 2 strawberries.

  2. There are 4 hands. Each hand has 5 fingers.

Practice Problem

Problem 1

The picture graph shows the favorite colors of some students.

Picture Graph. Favorite Colors. Key: dot represents 2 people. Purple, 4 dots. Yellow, 8 dots. Blue, 3 dots. Red, 5 dots.

Match each diagram or drawing to the number of people who like each color.

  1. Diagram. 5 equal parts each labeled 2.
  2. Diagram. 8 equal parts each labeled 2.
  4. 4 groups of 2 dots.

  1. red

  2. blue

  3. purple

  4. yellow