# Surf for More Math

## CHAPTER 3: ADDING AND SUBTRACTING DECIMALS

**Lesson 6: Exploring Problems that Involve Decimals **

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

**Goal**

Use your own strategies to solve a problem that involves adding and subtracting decimals.

**Builds Upon**

Student Book page 100

**Instructions for Use**

**Decimal Darts** is a one- or two-player game in which students use rounding, estimating, and calculating to win.

You will be shown a dart board with three balloons. The top of the dartboard is represented by one number and the bottom is represented by another number. You must type a number that you think will hit a balloon and then throw a dart. You may want to visualize a number line running along the length of the dartboard to help you.

**Math Advantage** is a quiz of 10 questions involving adding and subtracting decimals.

Solve each problem using whatever strategies you want and select the correct answer from the options shown. Click

the game ends. To play a new game at any time, click on “Start over”.