Download Rational Numbers

Rational
Numbers
Decimals
Do Now:
 Tell
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me what each means
Sum
Difference
Product
Quotient
S.W.B.A.T
 Identify
the different components of the
number system
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Rational numbers
Irrational numbers
Integers
Whole numbers
Natural numbers
What is a rational number?
A
rational number is any number that can
be written in fraction form, a , where a
b
and b are integers and b ≠ 0
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For Example:
 -4
5
 .25
 1.5
 .8888
• Any decimal that is terminating
or repeating
• How can these numbers be
written as fractions and
decimals?
What is an integer?
•
An integer is a whole number and its
opposite
• For example: -2, -1, 0, 1, 2
•
No fractions and no decimals
What is an Irrational number
 An
Irrational Number is any number that
a
cannot be written in fraction form,
,
b
where a
and b are integers and b ≠ 0
What is a whole number?
 Whole
numbers are simply the numbers 0,
1, 2, 3, 4, and so on
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Counting numbers are whole numbers
except without zero, because you cant
count zero
There are no negatives, no fractions and no
decimals
What is a Natural Number
A
Natural Number is simply a whole
number, but we do not include zero
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For example: 1, 2, 3, 4, 5, and so on
No zero, negatives, fractions or decimals
Homework
 Fill
out the numbers system chart using
your notes from class
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I hope you took GREAT notes =)
We will go over the chart again tomorrow
and I will add in some more examples for
you
When making the chart be sure to have it
colorful, so it will stand out in your notebook