Lesson 1 Story Problems and Expressions

    • Let’s make sense of and solve story problems.

Warm-up Notice and Wonder: A Library

What do you notice? What do you wonder?

Children's library.

Activity 1 The Library

  1. Some kids were at the library.
    Then some of the kids went home.
    What do you notice?
    What do you wonder?

    Student in the library.
  2. There were 9 kids at the library.
    Then 2 of the kids went home.
    How many kids are at the library now?
    Show your thinking using drawings, numbers, or words.

Activity 2 Story Problems About the Library

Books on a shelf.
  1. 5 books were on a shelf.
    Clare put 2 more books on the shelf.
    How many books are on the shelf now?
    Show your thinking using drawings, numbers, or words.

    Expression:

  2. 6 books were stacked up on the table.
    4 of the books fell on the floor.
    How many books are still on the table?
    Show your thinking using drawings, numbers, or words.

    Expression:

  3. 6 kids were listening to a story.
    4 more kids joined the group.
    How many kids are listening to the story now?
    Show your thinking using drawings, numbers, or words.

    Expression:

  4. There were 5 computers turned on.
    The librarian turned 2 of the computers off.
    How many computers are still on?
    Show your thinking using drawings, numbers, or words.

    Expression: