Loading in 5 sec....

Adding, Subtracting, Multiplying, and Dividing FractionsPowerPoint Presentation

Adding, Subtracting, Multiplying, and Dividing Fractions

- By
**wyatt** - Follow User

- 107 Views
- Uploaded on

Download Presentation
## PowerPoint Slideshow about ' Adding, Subtracting, Multiplying, and Dividing Fractions' - wyatt

**An Image/Link below is provided (as is) to download presentation**

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.

- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript

### Adding, Subtracting, Multiplying, and Dividing Fractions

By: Mr. Menjivar

09/02/11

Observe,

Question,

Comment

Add, Subtract, Multiply, and Divide

Fractions

Add, Subtract, Multiply, and

Divide Fractions Reflection

Warm-Up:

8L

8R

Warm-Up

Change the Improper Fraction to Mixed Number

#1) #2)

Change the Mixed Number to Improper Fraction

#3) #4)

09/02/11

Observe,

Question,

Comment

Add, Subtract, Multiply, and Divide

Fractions

Add, Subtract, Multiply, and

Divide Fractions Reflection

Warm-Up:

Standard

8L

8R

Standard

- Number Sense 2.2:Add and subtract fractions by using factoring to find common denominators.
- Number Sense 1.2:Add, subtract, multiply, and divide rational numbers (fractions).

09/02/11

Observe,

Question,

Comment

Add, Subtract, Multiply, and Divide

Fractions

Add, Subtract, Multiply, and

Divide Fractions Reflection

Warm-Up:

Standard

Objective

8L

8R

Objective

- To add and subtract fractions
- To multiply and divide fractions

09/02/11

Observe,

Question,

Comment

Add, Subtract, Multiply, and Divide

Fractions

Add, Subtract, Multiply, and

Divide Fractions Reflection

Warm-Up:

Standard

Objective

Vocabulary

8L

8R

Fraction

- Your Definition:
- Are numbers expressed as the ratio of two numbers

Numerator

- Your Definition:
- Tells the desired outcome

Denominator

- Your Definition:
- Tells you how many things are there in total

Improper Fraction

- Your Definition:
- They’re fractions where the numerator is bigger than the denominator.

09/02/11

Observe,

Question,

Comment

Add, Subtract, Multiply, and Divide

Fractions

Add, Subtract, Multiply, and

Divide Fractions Reflection

Warm-Up:

Standard

Objective

Vocabulary

Notes/Examples

8L

8R

Fractions

There are a few “special” fractions

How do you write 7 as a fraction?

7

1

How do you write 1 as a fraction?

3 101

3 101

How do you write 0 as a fraction?

0 0

5 100

Let’s apply them… :-)

- (Use GCF if lost…)

09/02/11

Observe,

Question,

Comment

Add, Subtract, Multiply, and Divide

Fractions

Add, Subtract, Multiply, and

Divide Fractions Reflection

Warm-Up:

Standard

Objective

Classwork #1

Vocabulary

Notes/Examples

8L

8R

09/02/11

Observe,

Question,

Comment

Add, Subtract, Multiply, and Divide

Fractions

Add, Subtract, Multiply, and

Divide Fractions Reflection

Warm-Up:

Standard

Objective

Classwork #1

Vocabulary

Notes/Examples

Back To The NOTES!!!!!!!!!!!!!

8L

8R

What if the denominators are different?

- Step 1: Get a Common Denominator

What if the denominators are different?

- Step 2: Make the denominators the same

What if the denominators are different?

- Step 3: Change numerators accordingly

What if the denominators are different?

- Step 4: Perform necessary operation

Parallel ExampleTeacher (left) ; Student (right)

Parallel ExampleTeacher (left) ; Student (right)

Word Problem

- Suppose one day you rode a bicycle for hours and jogged for hours. How many hours did you exercise?

BrainPop

- Adding and Subtracting

09/02/11

Observe,

Question,

Comment

Add, Subtract, Multiply, and Divide

Fractions

Add, Subtract, Multiply, and

Divide Fractions Reflection

Warm-Up:

Standard

Objective

Classwork #1

Classwork #2

Vocabulary

Notes/Examples

8L

8R

09/02/11

Observe,

Question,

Comment

Add, Subtract, Multiply, and Divide

Fractions

Add, Subtract, Multiply, and

Divide Fractions Reflection

Warm-Up:

Standard

Objective

Classwork #1

Classwork #2

Vocabulary

Homework

Notes/Examples

8L

8R

Homework

- Pg. 313 [1-6 all and 13-16 all]
- Pg. 314 [1-11 all]

Multiplying Fractions

All you do is multiply straight across!

Parallel ExampleTeacher (left) ; Student (right)

Parallel ExampleTeacher (left) ; Student (right)

Dividing Fractions

Dividing is just like multiplying…

EXCEPT!!!

You are going to multiply the first fraction by the reciprocal of the second fraction.

Dividing Fractions

What is a reciprocal?

It is the flipped version of a fraction.

The reciprocal of

4 5

5 4

Lets Take The ReciprocalOf Each Number

- 5

Parallel ExampleTeacher (left) ; Student (right)

Parallel ExampleTeacher (left) ; Student (right)

BrainPop Multiplying and Dividing Fractions

- Break Time!

09/01/11

Observe,

Question,

Comment

Add, Subtract, Multiply, and Divide

Fractions

Add, Subtract, Multiply, and

Divide Fractions Reflection

Warm-Up:

Standard

Classwork

Objective

Vocabulary

Notes/Examples

8L

8R

09/01/11

Observe,

Question,

Comment

Add, Subtract, Multiply, and Divide

Fractions

Add, Subtract, Multiply, and

Divide Fractions Reflection

Warm-Up:

Standard

Classwork

Objective

Homework:

Vocabulary

Notes/Examples

8L

8R

Homework

- Pg. 315 [1-8 all and 11-17 all and 21-23]

Download Presentation

Connecting to Server..