## CHAPTER 10: Dividing Multi-Digit Numbers

**Lesson 3: Using Subtraction to Divide **

Use these interactive activities to encourage students to have fun on the Web while learning about dividing multi-digit numbers. Students can try these activities on their own or in pairs.

**Goal**

Solve division problems by subtracting.

**Builds Upon**

Student Book pages 352–355

**Instructions for Use**

**Math Journey** allows students to solve various division problems.

Choose “1-digit divisors, 2-digit (and higher) quotients.” Solve each problem using subtraction. Each correct answer gets you on the flight to your next travel destination. If you get a problem wrong, you have "missed your flight". Miss three flights and the game is over.

**Math Playground** challenges students to solve division problems mentally.

Click “Start” and look at the division question. Solve the problem by subtracting. Make sure you enter any remainder in the empty text box marked “r”. Click “Check” to check your answer. There are several chances to answer each problem before a new problem is given.