fun with fractions !
DESCRIPTION
Fun with FractionS !. Objectives. The students will add and subtract fractions with like denominators. The students will simplify fractions. The students will find least common denominators. The students will find a common denominator to add and subtract fractions with unlike denominators. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Fun with FractionS !](https://reader036.vdocuments.site/reader036/viewer/2022081422/56815ec1550346895dcd49e9/html5/thumbnails/1.jpg)
FUN WITH FRACTIONS!
![Page 2: Fun with FractionS !](https://reader036.vdocuments.site/reader036/viewer/2022081422/56815ec1550346895dcd49e9/html5/thumbnails/2.jpg)
Objectives The students will add and subtract
fractions with like denominators. The students will simplify fractions. The students will find least common
denominators. The students will find a common
denominator to add and subtract fractions with unlike denominators.
![Page 3: Fun with FractionS !](https://reader036.vdocuments.site/reader036/viewer/2022081422/56815ec1550346895dcd49e9/html5/thumbnails/3.jpg)
Standards2.1 Numbers, Number Systems and Number
Relationships 2.1.5.D Use models to represent fractions.
2.1.5.G Develop and apply number theory concepts to represent numbers in various ways.
2.2 Computation and Estimation 2.2.5.C Develop and apply algorithms to solve
word problems that involve addition and/or subtraction with factions that include like and unlike denominators
![Page 4: Fun with FractionS !](https://reader036.vdocuments.site/reader036/viewer/2022081422/56815ec1550346895dcd49e9/html5/thumbnails/4.jpg)
![Page 5: Fun with FractionS !](https://reader036.vdocuments.site/reader036/viewer/2022081422/56815ec1550346895dcd49e9/html5/thumbnails/5.jpg)
Adding and Subtracting Fractions
with Like Denominators
Copy the Denominator
Add the top
![Page 6: Fun with FractionS !](https://reader036.vdocuments.site/reader036/viewer/2022081422/56815ec1550346895dcd49e9/html5/thumbnails/6.jpg)
![Page 7: Fun with FractionS !](https://reader036.vdocuments.site/reader036/viewer/2022081422/56815ec1550346895dcd49e9/html5/thumbnails/7.jpg)
Are you ready to add and subtract
fractions with common
denominators?
![Page 8: Fun with FractionS !](https://reader036.vdocuments.site/reader036/viewer/2022081422/56815ec1550346895dcd49e9/html5/thumbnails/8.jpg)
Test of Simplifying Fractions
If you can count by a number other than 1 to reach both parts of
the fraction!
![Page 9: Fun with FractionS !](https://reader036.vdocuments.site/reader036/viewer/2022081422/56815ec1550346895dcd49e9/html5/thumbnails/9.jpg)
![Page 10: Fun with FractionS !](https://reader036.vdocuments.site/reader036/viewer/2022081422/56815ec1550346895dcd49e9/html5/thumbnails/10.jpg)
Time to Practice!!!!
![Page 11: Fun with FractionS !](https://reader036.vdocuments.site/reader036/viewer/2022081422/56815ec1550346895dcd49e9/html5/thumbnails/11.jpg)
Finding Least Common
Denominators Make a list of multiples for each
denominator.
Circle the common multiples.
What is the least common denominator???
![Page 12: Fun with FractionS !](https://reader036.vdocuments.site/reader036/viewer/2022081422/56815ec1550346895dcd49e9/html5/thumbnails/12.jpg)
Let’s practice finding the
least common denominators!
![Page 13: Fun with FractionS !](https://reader036.vdocuments.site/reader036/viewer/2022081422/56815ec1550346895dcd49e9/html5/thumbnails/13.jpg)
Steps to Adding and Subtracting Fractions
Set-up the Problem Finding the
![Page 14: Fun with FractionS !](https://reader036.vdocuments.site/reader036/viewer/2022081422/56815ec1550346895dcd49e9/html5/thumbnails/14.jpg)
Adding and Subtracting Fractions with Unlike
Denominators Find the common denominator
Make equivalent fractions
Copy the denominator
Add the top
![Page 15: Fun with FractionS !](https://reader036.vdocuments.site/reader036/viewer/2022081422/56815ec1550346895dcd49e9/html5/thumbnails/15.jpg)
![Page 16: Fun with FractionS !](https://reader036.vdocuments.site/reader036/viewer/2022081422/56815ec1550346895dcd49e9/html5/thumbnails/16.jpg)
Are you up to the challenge??
?
![Page 17: Fun with FractionS !](https://reader036.vdocuments.site/reader036/viewer/2022081422/56815ec1550346895dcd49e9/html5/thumbnails/17.jpg)
References
Slide 1 and 9 Math Mastery: Fractions. Math Mastery(2001). Retrieved November 4, 2008, fromDiscovery Education: http://streaming.discoveryeducation.com/
Slide 6Example 1: Adding Fractions with a Common Denominator--Baking Cake. Discovery Channel School(2005). Retrieved November 4, 2008, fromDiscovery Education: http://streaming.discoveryeducation.com/
Slide 15Example 3: Adding Fractions with Different Denominators--Serving Salsa. Discovery Channel School(2005). Retrieved November 4, 2008, fromDiscovery Education: http://streaming.discoveryeducation.com/