# Surf for More Math

## Lesson 3 - Counting Square Units

To encourage students to have fun on the Web while learning about Counting
Square Units, here are some games and interactive activities they can
do on their own or in pairs.

**Goal **

Compare and order areas by counting square units.

**Builds Upon **

Student Book pages 200-201

**Instructions for Use **

Area
Explorer prompts students to investigate the area of different shapes.

To use Area Explorer, slide the 'Adjust Maximum
Size' slider to change the shape of the units. Click the "Draw New Shape"
button. Determine what the shape's area will be and type your answer
into the text fields. Click the 'Check Answer" button.

To draw a new shape, click the 'Draw New Shape' button.