Adding 3 Numbers Within 20 Introduction

Jenna saw 10 fish, 4 birds, and 2 cats at the pet store. How many animals did Jenna see?

The picture below shows how much fruit Jorge has in his refrigerator. Which equation matches this picture?

Use the table below to answer the question.

Type in the equation for the problem below.

Type in the missing number.

Click on the number that is missing from the bar model below.

Which expressions match the information below?

Elena made a model of the problem below. She made a mistake. Click on the area where she made her mistake.

John found rocks, sticks, and leaves to put in his turtle's cage. How many items did John collect? Use the table to answer the question.

What is the smallest sum you can make using three different numbers? Explain by typing in your answer.