Transcript Equivalent Fractions

Homework:
1)Textbook p. 18-19 (#s 2-40 even only)
2)Finish your Poster “Math About Me”
DO NOW:
Copy the following equivalent fractions and find the
missing number.
Content Standard:
NS 1.1
Compare and order positive and negative
fractions.
Learning Objective:
-Given a PowerPoint on writing and comparing
equivalent fractions, the learner will apply factoring
process to write equivalent fractions, by completing a
graphic organizer, taking a quiz, and making a poster.
Equivalent fractions
We are learning about equivalent fractions
1 whole
1/
1/
1/
8
1/
2
1/
4
1/
8
1/
8
1/
4
1/
8
1/
8
2
1/
4
1/
8
1/
8
4
1/
8
1 whole
½
½
¼
1/
8
¼
1/
1/
8
8
¼
1/
8
1/
8
¼
1/
8
1/
8
We can see that
1/
2/ = 4/ = 8/
=
1
2
4
8
They are equivalent fractions
1/
8
1 whole
1/
1/
1/
8
1/
2
1/
4
1/
8
1/
8
1/
4
1/
8
1/
2
1/
4
8
1/
8
1/
8
4
1/
8
We can see that 2/8 is the same length as 1/4
So 2/8 = 1/4
They are equivalent fractions
Equivalent Fractions
 Name the same amount but have
different numerators and
denominators.
1
2
Example1: Which fractions are equivalent to
½?
1 whole
½
¼
1/
8
1/
¼
1/
8
1/
8
2/ =
=
2
4
1/
4/
8
8
Example 2: Name a fraction
equivalent to
1
2

1
2
1 = 2
2
4
1
4
1
4
Equivalent Fraction Models
1
2
=
2
4
=
3
6
Equivalent Fraction Models
1
2
=
4
8
=
5
10
Equivalent Fraction Models
2
3
=
4
6
Equivalent Fraction Models
3
4
=
6
8
Example 3:
To Find Equivalent Fractions
 Multiply the numerator and
the denominator by the same
number.
1 x 3
3
=
3
3
9
Example 4:
To Find Equivalent Fractions
that are reduced,
 Divide the numerator and
the denominator by the same
number.
4
4
1
÷ =
12
4
3
1 whole
1/
1/
1/
8
1/
2
1/
4
1/
8
1/
8
1/
4
1/
8
1/
8
2
1/
4
1/
8
1/
4
1/
8
8
Which of these fractions is equivalent to 1/4 ?
1/
8
1/
2
2/
8
1 whole
1/
1/
1/
1/
2
1/
4
1/
8
8
1/
8
1/
4
1/
8
1/
8
2
1/
4
1/
8
1/
4
1/
8
8
Which of these fractions is equivalent to 4/8 ?
1/
8
2/
4
1/
4
1 whole
1/
1/
1/
1/
6
1/
12
1/
3
1/
3
12
1/
=
2/
6
1/
6
12
1/
12
=
1/
12
1/
3
1/
6
1/
12
1/
12
1/
6
1/
12
1/
12
3
1/
6
1/
12
1/
12
4/
12
Look at the equivalent fractions – each time the
numerators double, the denominators also double.
Which other fraction will be equivalent?
8/
24
6/
24
4/
24
6
1/
12
Think of a pizza cut into six pieces
How many sixths are equivalent to
½?
Now we’ve learnt what equivalent fractions are –
let’s find some ourselves.
Good Luck!
Activity: “Math About Me Poster”
Think about how math is part of your personal life. Gather this
Information on a separate sheet of paper.
Today you will be making a “Math about me Poster” that illustrates
That information about yourself.
You will draw a picture and/or write a math problem that represents that
information. Here are a few questions to think
When thinking about math in your life:
•Fractions or whole numbers in your birthday
•Address numbers
•Phone numbers
•Sports numbers
•Favorite/lucky numbers
•Number of pets
•Number of people in your family\
•Number of cars your family drives
Can you think of any other ways in which math is part of your life?
Make a Math About Me Poster!
1) Glue a picture of yourself into the middle.
2) Write your name in one of the 8 rectangles.
3)Then, set out the important numbers in your life! Write
math problems
4) Lastly, you will illustrate (draw) and decorate the
poster to make it look awesome!!! Use construction
paper, magazines, pictures, etc.
Have fun!!!