# Surf for More Math

## Chapter 6: Addition and Subtraction

**Lesson 9: Should I Add or Subtract? **

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**

Indicate if a scenario in a story problem represents addition or subtraction.

[C, CN, ME, PS, R, V]

**Instructions for Use**

**Saxon Math** allows students to determine which number sentence correctly represents the story problem given.

Read the problem and choose the number sentence, either addition or subtraction, which correctly represents the problem.