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Nelson Education > School > Mathematics K-8 > Mathematics 7 > Teacher Centre > Surf for More Math> Chptr 1 Lssn 3
 

Surf for More Math

Lesson 3 - Factoring

 

Use the following interactive games and activities to encourage students to have fun on the Web while learning about factoring. Students can do these activities on their own or in pairs.

Goal

Determine factors, common factors, and greatest common factors of whole numbers.

Builds Upon

Student Book pages 10-13

Instructions for Use

Factor Tree lets students identify common factors, greatest common factor and least common multiples.

To use Factor Tree, click the "New Problem" button. Type a factor in the text box and press "Enter". Repeat to find all the prime factors. Then drag the common prime factors into the green zone of the Venn diagram. Place all other factors in the matching colour regions. Then enter the greatest common factor (GCF), and the least common multiple (LCM) in the text boxes. Press the "Check" button to see if the answers are correct.

 

Greatest Common Factors lets students determine the greatest common factors of whole numbers.

To use Greatest Common Factors, find the greatest common factor of the numbers shown. Three possible answers are given at the bottom of the screen. Click the correct answer.

 

Greatest Common Factor lets students identify the greatest common factors of whole numbers.

 

To use Greatest Common Factor, scroll down and click the "Start" button. Enter the numbers that represent the greatest common factor in the text box next to the Check button. Click the "Check" button to see if the answer is correct.

 

Factoring Calculator lets students find the factors of any whole number.

To use Factoring Calculator, enter a whole number in the text box and click the "Find Factor!" button.

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