# 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?

## Activity 1 Louis Agassiz Fuertes’s Birds

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:

## 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.

## 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: