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DISCOUNTS DIVIDING RATIONAL NUMBER LESSON PLAN ACTIVITIES WORKSHEETS SKILLS BASIC TEACHING LEARNING SAMPLE EXAMPLE HELP WORK STUDENTS TEACHER CLASS EXERCISE ONLINE GUIDE ACTIVITY

 

 

 

Students learn basic money math.

 

 


DISCOUNTS AND DIVIDING BY RATIONAL NUMBERS

Students will learn to figure out discounts.

Teaching Objectives:

  • Students will review dividing and multiplying rational numbers.
  • Students will learn to figure out a discount using a fraction.
  • Students will learn to figure out a sales price using a fraction.

Suggested Grades:

Sixth Grade - Seventh Grade - Eighth Grade - Ninth Grade

 
 

 

DISCOUNTS AND DIVIDING BY RATIONAL NUMBERS LESSON PLAN

 


Teaching Materials

  • Lesson - Discounts and Dividing by Rational Numbers Lesson (see below for printable lesson).


Lesson Excerpt:

What is a discount?
A discount is an amount of money that is subtracted from the total cost of an item.  Discounts are considered our savings.  Discounts can be written in fraction form or as a percentage.  We will often see something like ½ off of the retail price.  This is an example of a discount.

How do we divide rational numbers?
We divide rational numbers by following the rules for dividing fractions.
(example)

Here we changed the problem to a multiplication problem by inverting the second fraction.  Then we multiplied across and simplified the final fraction. We can also divide a rational number and a whole number.
(example) 

Here we made the whole number a fraction over one.  Then we changed the problem to a multiplication problem and inverted the second fraction. Finally, we were able to multiply across and our final answer is 72.

How do we use dividing rational numbers with discounts?
When we see a discount for one-half off of a price, we are essentially dividing that price into one-half and then subtracting the one-half from the rest of the purchase price.


Continued...

 

 


Lesson Printable Materials - Worksheets

Print out the teaching lesson pages and exercise worksheets for use with this lesson:
  

DISCOUNTS AND DIVIDING BY RATIONAL NUMBERS

Discounts and Dividing by Rational Numbers Lesson *

Printable lesson worksheet and activity.

 

 

 

 


 

 

 

 

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