# Surf for More Math

## Chapter 10: Mass and Area

**Lesson 5: Comparing Areas of Flat Shapes **

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

**Goals**

Visualize and compare the areas of two or more flat shapes.

Make direct comparisons between objects.

[PS, R, V]

**Instructions for Use**

**Area Explorer** allows students to practice counting square units of area.

Look at a shape on the grid paper. Find out the area of the shape by counting the square units that it covers. Type your answer in the blank text box. Click “Check Answer” to check your answer.