# Surf for More Math

## Lesson 4 - Solve Problems Using a Model

To encourage students to have fun on the Web while learning about Solve
Problems Using a Model, here are some games and interactive activities
they can do on their own or in pairs.

**Goal **

Use models to solve area problems.

**Builds Upon **

Student Book pages 202-203

**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.

Point
of View lets students use point of view to solve area problems.

To use Point of View, click the 'Rotate' button to choose a member
of the Cybersquad. Each member has a different point of view. Click
the squares on the play area to show what the Cybersquad member sees
from their point of view. Click 'OK' to check the answer. Click the
'Rotate' button again to choose a new member. Show the squares in the
play area from the new member's point of view.