# Surf for More Math

## CHAPTER 4: PERCENT

**Lesson 4: Using Percents to Make Comparisons **

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

**Goal**

Compare fractions and ratios using percents.

**Builds Upon**

Student Book pages 163–165

**Instructions for Use**

**Percent of a Number ** allows students to practice finding the percent of a number.

To use Percent of a Number, read the instructions, and then scroll down to the “Practice” box. Click the “Start” button and solve the problem that appears. Type in your answer and click the “Check” button to check your answers. The activity will keep track of how many correct answers you give.

**Determining Percentage ** allows students to practice determining the percentage when given two numbers.

To use Determining Percentage, read the instructions, and then scroll down to the “Practice” box. Click the “Start” button and solve the problem that appears. Type in your answer and click the “Check” button to check your answers. The activity will keep track of how many correct answers you give.