# Surf for More Math

## Chapter 3: Introducing Addition and Subtraction

**Lesson 2: Adding by Joining**

Use these interactive activities to encourage students to have fun on the Web while learning about addition and subtraction. Students can try these activities on their own or in pairs.

**Goal**

Describe and act out number stories.

[C, CN, PS, V]

**Instructions for Use**

**Basic Addition Exercise** allows students to practice adding.

To use Basic Addition Exercises, count the bugs on the first leaf.

Enter your answer in the first text box.

Count the bugs on the second leaf.

Enter your answer in the second text box.

Then, count the bugs on the third leaf.

Enter you answer in the third text box.

Click the "Next" button for a new addition question.