Lesson 3 Division Situation Drawings

    • Let’s represent division situations with drawings.

Warm-up Number Talk: The More Things Change...

Find the value of each expression mentally.

Activity 1 Groups of Students

  1. What did you notice about how the students put themselves into groups of 2?

  2. What did you notice about how the students put themselves into 2 groups?

Activity 2 Elena’s Colored Pencils

Box of colored pencils.

Elena has 12 colored pencils. She has 2 boxes and wants to put the same number of colored pencils in each box. How many colored pencils will go in each box?

Which drawing matches the situation? Explain your reasoning.

  1. 2 groups of 6 dots.
  2. 6 groups of 2 dots.

Activity 3 Which Drawing Matches?

Match each situation to a drawing. Be prepared to explain your reasoning.

1:

2 groups of 4 dots.

2:

10 groups of 2 dots.

3:

3 groups of 5 dots.

  1. Mai has 8 markers. She puts 4 markers in each box. How many boxes of markers are there?

  2. Kiran has 20 pens. He puts 2 pens at each table. How many tables can he put pens on?

  3. Lin has 8 colored pencils. She puts them into 2 bags. Each bag has the same number of colored pencils. How many colored pencils will be in each bag?

  4. Priya has 15 crayons. She puts 5 crayons on each desk. How many desks will have crayons?

  5. Noah has 20 pencils. He puts the same number of pencils into 10 boxes. How many pencils will be in each box?

  6. Jada has 15 markers. She puts the same number of markers on 3 tables. How many markers will be on each table?

Practice Problem

Problem 1

  1. 10 people go to the movies in cars. Two people go in each car. How many cars are there? Show your thinking using a drawing or a diagram.

  2. 10 other people go to the movies in cars. They ride in 2 cars with the same number in each car. How many people are in each car? Show your thinking using a drawing or diagram.

  3. How are the two situations the same? How are they different? How are the diagrams the same? How are they different?