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Nelson Education > School > Mathematics K-8 > Math Focus > Grade 7 > Parent Centre > Surf for More Math > Chapter 5 - Lesson 2
 

Surf For More Math

CHAPTER 5: MEASUREMENT

Lesson 2: The Area of a Triangle

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

Goal

Develop and apply the formula for the area of a triangle.

Builds Upon

Student book pages 200–206

Instructions for Use

Area of a Triangle allows your child to practice finding the area of a triangle.

To use Area of a Triangle, read the instructions for calculating area of a triangle at the top, and then scroll down to the practice section. Click the “Start” button to get a problem, and type your answer in the blank text box. Click the “Check” button to check each answer. The activity will keep track of how many correct answers you give.

Triangle Explorer allows your child to calculate the area of a triangle drawn on a grid.

To use Triangle Explorer, look at the triangle on the grid and calculate the area. Type your answer into the blank text box and click the “Check Answer” button. Click the “New Triangle” button to try another triangle.

 

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