Lesson 17 How Do the Stories Compare?

    • Let’s think about how stories are the same and different. 

Warm-up Which One Doesn’t Belong: Equations

Which one doesn’t belong?

Activity 1 Compare Stories

  1. Compare these stories about playing 4 corners.

    Students standing in the 4 corners of a classroom.

    There are 6 students playing 4 corners.
    Some more students come to play.
    Now there are 9 students playing 4 corners.
    How many students came to play?

    9 students are playing 4 corners.
    7 students are waiting in a corner.
    The other students are still deciding which corner to pick.
    How many students are still deciding which corner to pick?

    • How are these problems alike?

    • How are they different?

    Be prepared to share your thinking.

  2. Compare these stories about playing charades.

    A student playing charades.
    A student playing charades.

    There were 9 students playing charades.
    6 students leave to play something different.
    How many students are playing charades now?

    9 students are playing charades.
    5 students are on Team A.
    The rest of the students are on Team B.
    How many students are on Team B?

    • How are these problems alike?

    • How are they different?

    Be prepared to share your thinking.

Activity 2 Outdoor Games

Show your thinking using drawings, numbers, or words.

Equation:

Practice Problem

Problem 1

There were 9 cars in the parking lot.
Then 5 of the cars drove away.
How many cars are in the parking lot now?
Show your thinking using drawings, numbers, or words.
Write an equation and draw a box around the answer.