Lesson 15 Solve Story Problems With Three Numbers

    • Let’s solve story problems with 3 numbers.

Warm-up How Many Do You See: 10-frames

How many do you see?
How do you see them?

  1. Double ten frame. 5 red counters. 5 yellow counters. 5 blue counters.
  2. Double ten frame. 5 red counters. 5 yellow counters. 6 blue counters.
  3. Double ten frame. 4 red counters. 6 yellow counters. 7 blue counters.

Activity 1 Louis Agassiz Fuertes’s Birds

Kingfisher bird

7 blue birds fly in the sky.
8 brown birds sit in a tree.
3 baby birds sit in a nest.
How many birds are there altogether?
Show your thinking using objects, drawings, numbers, or words.

Equation:

Activity 2 Fuertes’s Bird Cards

Problem 1

  1. Noah collected 3 bird picture cards.
    Clare collected 4 cards.
    Jada collected 7 cards.
    How many cards did they collect altogether?
    Show your thinking using drawings, numbers, or words.

    Equation:

  2. Jada used her cards to name the birds she saw. 
    She saw 4 orioles.
    She saw 2 goldfinches.
    She saw 8 sparrows.
    How many birds did Jada see?
    Show your thinking using drawings, numbers, or words.

    Equation:

  3. Write your own problem.
    We see some birds.
    We see 9 .
    We see 8 .
    We see 1 .
    How many birds do we see altogether?
    Show your thinking using drawings, numbers, or words.

    Equation:

Problem 2

  1. Show your thinking using drawings, numbers, or words.

  2. Show your thinking using drawings, numbers, or words.

Practice Problem

Problem 1

There are 5 bananas, 6 oranges, and 4 apples in a bowl.
How many pieces of fruit are in the bowl?
Show your thinking using objects, drawings, numbers, or words.

Equation: