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Nelson Education > School > Mathematics K-8 > Mathematics 7 > Parent Centre > Surf for More Math > Chptr 9 Lssn 8
 

Surf for More Math

Lesson 8 - Adding and Subtracting Using Equivalent Fractions

 

To encourage your child to have fun on the Web while learning about Adding and Subtracting Using Equivalent Fractions, here are some games and interactive activities they can do on their own or in pairs.

Goal

Develop a method to add and subtract fractions without using models.

Builds Upon

Student Book pages 334-336

Instructions for Use

Adding Fractions Calculator prompts your child to change unlike fractions to equivalent fractions and add.

To use Adding Fractions Calculator input numerators and denominator in the 'Add two fractions' column. Click the 'Add' button. Read the explanation of the strategy.

 

Subtracting Unlike Fractions prompts your child to change unlike fractions to equivalent fractions and subtract.

To use Subtracting Unlike Fractions, click the 'New Problem' button. Input the common denominator of both fractions. Find the equivalent numerators. Press 'Enter' to find the difference.

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