Transcript FRACTIONS: a real PART OF of life

Presented
by
Ms. B.
Dunaway
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Improper fraction
When the numerator is larger than the
denominator.
Proper fraction
Numerator is smaller than the
denominator
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http://www.transum.org/software/SW/YouTube/Video.asp?Movie=VxpbMg_WASs
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http://www.youtube.com/watch?v=kktFwLGHsU&feature=related
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Mixed Number
A whole number and a fraction
Greatest Common Factor (GCF)
The largest factor of two or more
numbers
Fraction in Lowest Terms
a fraction that has been reduced, or
divided so far that the numerator and the
denominator do not share factors any longer.
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1/5
1 x 2= _____
5x2=
1 x 3 = _____
5x3 =
SET OF EQUIVALENT FRACTIONS FOR 1/5 :
_____ , _______, _______, ______, ______,…
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Write the fraction 2/4 and label the
numerator and denominator?
Draw a picture of 2/4.
Make a set of equivalent fractions for 2/4.
(Write 2 or more. Show your work)
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Equivalent Fractions
Fractions that name the same number or
are of equal value
½ = 2/4
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Simplest Form
A fraction is in simplest from when the
numerator and the denominator have no
common factor other that 1
Common denominator
When the denominators in two or more
fractions are the same
Least Common denominator
The least common multiple (LCM) of the
denominators of two or more fractions.
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Fraction - a number that represents equal
parts to a whole and has a numerator and
denominator
Numerator – The top number of a fraction
that tells the number of equal parts compared
to the number of equal parts in a whole
Denominator – The bottom number of a
fraction that tells the number of equal parts
in the whole
Whole number – A complete amount lacking
no part, member, or element
Equivalent means
Equal to
=
Sign that means equal
rename
Give a new name that means the
same
½ = 3/6
Rename fraction; equal fraction
1 out of 2 pieces
Is the same as 3 out of 6 pieces
of the same size whole as used by
1/2
Why do we need equivalent
fractions?
•* to have set of fractions that are
a family of a fraction for word
problems.
• to understand + - and division
of fractions problems and solve