Fraction Frenzy

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Transcript Fraction Frenzy

Created for 4th-6th grade
StAIR project by:
Dana Collett
CEP 811
Introduction
Welcome! I have you are ready to learn.
 Supplies

 Paper and pencil
At the end there are extra resources, please
take the time to look at them. 
 For this powerpoint, use the space bar at
each slide until you see
and then
use the arrows at the bottom on the page.

Objectives and Standards
Understand the concept of a fraction and the
vocabulary
 Generate equivalent fractions
 Convert improper fractions into mixed
numbers
 Add and subtract fractions with like and unlike
denominators
 Compare fractions using <, >, and =

Table of Contents
 Understanding
this PowerPoint
 What are fractions
 Vocabulary
 Equivalent Fractions
 Compare Fractions
 Improper fractions and Mixed Numbers
 Add and Subtract Fractions
How to navigate....





You can start at the beginning- hit the space bar to
help you navigate through the slide and then......
When you see the equal sign at the bottom of the
page- that is your signal to click on the “Next Slide”
button.
OR
The stars on the Table of Contents slide will lead you
to that particular slide.
The buttons on the bottom
  will take you to the NEXT page
  will take you to the PREVIOUS page
 The math operations swirl in the middle will take you to the
table of contents- just click on it!

Turn your volume up and Enjoy 
What are Fractions?

A fraction is a
number that names
part of a whole.

 Scholastic Fractions
 A fraction MUST be
broken into EQUAL
pieces
 Can you think of
things in our everyday
life that contain
fractions?
Check out this
Scholastic tutorial on
fractions:
Studyjams

Want to do more?
Click on the link
below to take you to
another game.
 http://www.vectorkids.
com/vkfractions.htm
Show Me Fractions

⅓ can look like this:

OR this:

Visualize
 Create and Visualize
your own fractions

True or False: Both
of these pictures
show ¾ ?
TRUE
FALS
E
You Did it! Way to go!

In both pictures, the bar is divided into 4
equal parts and three parts are shaded.
Even though they are not the same
three parts, both still represent ¾ .
Try Again

Hint: Think about what the numerator
and denominator are telling you.

2nd Hint: ¾ means there are 3 shaded
parts out of 4 equal parts
Vocabulary

Fraction

 Equal parts of a whole

fraction line that tells
how many parts of the
whole are being
considered

 Fractions that name the
same amount
Numerator
 The number ABOVE the
Denominator
 The number BELOW
the fraction line that tells
how many EQUAL parts
are in the whole
Equivalent fraction

Improper fraction
 When the numerator is
greater than the
denominator (e.g. 11/6)

Mixed number
 A whole number and a
fraction (e.g. 2½ or 3⅙)
Let’s Review.....


Fill in the blank using
the vocabulary
words in the word
bank below.
(Write your answers on
your paper)
Equivalent
Fractions
Numerator
Denominator
Improper Fraction
Fraction
Mixed Number




12/3 is an example of an
____________________.
In ⅗ the number 3 is the
___________________.
½ and 4/8 are
___________________.
⅘ is a _____________. It
means that there are 5
equal pieces in the whole
and 4 are being
considered.
A ______________ is a
whole number and a
fraction, like 2⅞
The _______ ______ tells
you how many equal parts
are in the whole.
Let’s Review (Answers)






12/3 is an example of an improper fraction.
In ⅗ the number 3 is the numerator.
½ and 4/8 are equivalent fractions.
⅘ is a fraction. It means that there are 5 equal
pieces in the whole and 4 are being considered.
A mixed number is a whole number and a fraction,
like 2⅞
The denominator tells you how many equal parts
are in the whole.
Equivalent Fractions

Equivalent
fractions
are
fractions
that name
the same
amount.
Take a
look at the
picture.
1/2 = 2/4
1/2 = 3/6
5/10=4/8
Notice that
all the
fraction bars
line up and
they are all
equivalent.
Equivalent Fraction Review



http://www.abcya.com/
fraction_tiles.htm
Use the website
above to create
equivalent fractions.
Still want more? Go
the PBS website and
match equivalent
fractions.
 http://pbskids.org/cyberc
hase/games/equivalentf
ractions/index.html
Which fraction is
equivalent to ½?
1/3
3/6
5/6
8/12
Oh no 
What went wrong?
 Go back a couple slides and look at the
pictures that shows equivalent fractions
for ½ .
 Still Need Help? Take a look at this:
http://www.abcya.com/fraction_tiles.htm

YES!!!

1/2 is EQUIVALENT
to 3/6
Compare Fractions


Click on this tutorial
to learn about how
to compare
fractions.
When you are
finished, continue
on, to the interactive
practice and even
use the fraction bars
to help you!
⅖
⅞
⅘
⅜
Let’s Try Again
Grab some fraction bars if you are having
difficulty!
Hit the Previous page button to go back to
the slide.
Improper Fractions and Mixed
Numbers Review

Mixed Numbers
 2 ½ or 3 ⅚ are both

Improper Fractions
 Are “top heavy”
 The numerator is
examples of mixed
numbers.
greater than the
 You can turn a mixed
denominator.
number into a fraction  Improper Fractions to
by multiplying and
Mixed Numbers
adding.
 Look at the fraction
 Mixed Number into
as a division sign.
Fraction
 In the example, you
 Multiply the whole
would do 7 divided by 5.
number and the
The quotient is the
denominator.
whole number, the
 Then, add the
remainder is the
numerator.
numerator and the
 The denominator
denominator stays the
STAYS the same!
SAME.
 Go to the next slide to
check it out.
Mixed Numbers to Improper
fractions

http://www.coolmath.com/prealgebra/01fractions/fractions-07-improper-03.htm
Try Some~
Turn these improper fractions into mixed
numbers
1) 11/3
2) 5/6
 Turn these mixed numbers into improper
fractions
3) 2 ⅓
Don’t hit this
until you have
4) 1 ⅝
FINISHED all

the problems 
Try Some Answers
Turn these improper fractions into mixed
numbers
1) 11/3  11÷ 3 = 3 r2  3 2/3
2) 5/6  5÷6= 1r1  1 ⅙
 Turn these mixed numbers into improper
fractions
3) 2 ⅓  2 x3 +1 = 7/3
4) 1 ⅝  1x8 +5 = 13/8

Add and Subtract Fractions with
Like Denominators

When adding or
subtracting fractions
with LIKE
denominators, you
add the numerators
ONLY and keep the
denominator the
same.

3 – 1 = 3–1 = 2
4
4
4
4
Think about It
On your sheet of paper, write the answers to the following
questions. Make sure to write in complete sentences.
Name 3 things that require the use of
fractions?
 You are baking a cake, it calls for ¾ cup of
sugar. You do not have a ¾ cup, how are you
going to measure out the correct amount of
sugar?
 How are fractions related to measurement?
 Write 2 things you learned and 2 things you
still need to work on.

Storybird

Take a look at how digital storytelling
can teach you about fractions
 You Use Fractions Everyday
 Adventures in Understanding Fractions
 How Peter Learned Fractions
Fraction Online Games

Here’s a challengethis site wants you
to make ½ in 13
different ways!
 13 ways looking at a
half

Make different pizza
according to client’s
orders
 Tony's Pizza Shop

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
Check out these
games as well
 Gamequarium
 Visual Fractions
Resources
Take a look at the various resources below. Click on a
few to enhance your understanding.
 Pizza in terms of Fractions!
 http://www.aaamath.com/fra.html
 http://www.ixl.com/?gclid=CPnv37_MtqgCFRIq7Aod
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