Download Real Numbers

Real Numbers Review
Natural Numbers
• Natural numbers: 1,2,3…
• By any other name Counting numbers
Rational:
Hello, Terminating and Repeating. How
was school today?
Repeating:
We got into a fight, we got into a
fight...(continues repeating)
Terminating:
Yeah, we got into a fight with Irrational,
and I wanted to terminate him.
Rational:
Children, what was this fight about?
You know that I don't like for you to be
fighting at school.
Repeating:
He just kept saying stupid things,
saying stupid things. The teacher was
trying to tell us about math, about math,
and Irrational kept saying stuff, saying
stuff, like, "I like pie," and "Oops, I did it
again" while the teacher was trying to
talk, trying to talk.
A
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b
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s
S
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Whole Numbers
• Just add 0 in the mix
• Whole numbers: 0, 1, 2, 3…
Based on the
reading what is a
rational number?
Integers
• Natural numbers, their opposites and zero
• Integers: …-3, -2, -1, 0,1,2,3…
Some of the Numbers Inbetween
• Rational numbers: 2/3, -31/2 0.3333…
– Can be written as a ratio of two integers.
– Repeating decimals, terminating decimals
and fractions
Some of the Numbers Inbetween
• Irrational Numbers
• 3. 45455455545555… has a pattern but
doesn’t repeat. It isn’t rational.
• It can’t be written like a fraction.
• Square root of 2, Pi and e are also
IRRATIONAL
Pi
Rational or Irrational
.09
-8
0
⅜
2.010010001….