Surf for More Math

Lesson 6 - Measuring Perimeter

Use these interactive activities to encourage your child to have fun on the Web while learning about measuring perimeter.

Goal

Estimate, measure, and record the perimeters of 2-D shapes in centimetres.

Instructions for Use

Perimeter prompts your child to estimate, and measure perimeter.

To use Perimeter, click on the red rectangle below "Perimeter". Read the definition of perimeter and then click on the blue rectangle. Read the information and then click the "next" button. Click on the "Level 1" button. Input the perimeter of the shape in the text box and then click the "check" button to see if the answer is correct. Click the "next" button for the next question.

Measuring Perimeter lets your child measure and record the perimeters of 2-D shapes in centimetres.

To use Measuring Perimeter, click the "More" button. Enter the length of sides "a" and "b" in the text boxes. Click on the "Help with Calculations" button. Use the number key pad to add the lengths of all the sides together to find the perimeter. Click the "Check" button to see if the answer is correct.