Mathematics 4

# Lesson 5 - Relating Shape, Area, and Perimeter

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

Goal

Investigate how changes in shape affect area and perimeter.

### Builds Upon

Student Book page 225

### Instructions for Use

Perimeter Explorer helps students investigate the perimeter of different shapes.

To use Perimeter Explorer, slide the 'Adjust Area' Slider to change the perimeter of the square units. Click the "Draw New Shape" button. Determine what the shape's perimeter with be and type your answer into the text field. Click the 'Check Answer" button.

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

Area Explorer prompts students 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 with 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.

Shape Explorer prompts students investigate the area and perimeter of different shapes.

To use Shape Explorer, slide the 'Adjust Perimeter' Slider to change the shape of the units. Click the "Draw New Shape" button. Determine what the shape's perimeter with be and type your answer into the text field. Determine what the shape's area with be and type your answer into the text field. Click the 'Check Answers!" button.

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