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# Mathematics 7 Quarter 1 – Module 6: Operations on Rational Numbers

This module was designed and written with you in mind. It is here to help you master the four basic operations on rational numbers. The scope of this module permits it to be used in many different learning situations. The language used recognizes the diverse vocabulary level of students. The lessons are arranged to follow the standard sequence of the course. But the order in which you read them can be changed to correspond with the textbook you are now using.

The module is divided into three lessons, namely:

• Lesson 1 – Addition and Subtraction of Fractions
• Lesson 2 – Addition and Subtraction of Decimals
• Lesson 3 – Multiplication and Division of Fractions
• Lesson 4 – Multiplication and Division of Decimals

After going through this module, you are expected to:

3. multiply and divide fractions;

4. multiply and divide decimals;

5. solve real life problems involving rational numbers.  