Real Number System.notebook
Page #
September 12, 2016
Topic
So why are we here today???
Warm up 9/12 ­ 9/16
The Real Number System Foldable
7­8
9
10
The Number System Chart
Students will be able to ﴾SWBAT﴿: Identify the subsets of Real Numbers. Foldable!!!!!!
The Real Number System
Natural Numbers
Counting Numbers
1, 2, 3, 4, 5, ...
∞
1
Natural Numbers
2
Whole Numbers
Examples:
3
4
5
Integers
Rational / Irrational
RNS Venn Diagram
1
Real Number System.notebook
September 12, 2016
Integers
Whole Numbers
0 + All of the Natural Number
0, 1, 2, 3, 4, 5, ...
∞
All of the Whole Numbers + all of the opposites of the
Natural Numbers
‐∞
Examples:
. . . , -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, . . .
∞
Examples:
Rationals
• All Natural, Whole, and Integers
• Any number you can write as a fraction
• Any terminating decimal
(0.5, 7.13, -6.876, -24.45)
• Any repeating decimal
(0.5, 3.6262…, ‐2.12333…)
• Square roots of Perfect Square Numbers
(1, 4, 9, 16, 25, ...)
Irrationals
•
•
•
•
Any number that is NOT Rational
Decimals that do not terminate AND do not repeat
"CRAZY NUMBERS"
Square roots of non-perfect square numbers
(√2, √23, √30, √55)
• Can be positive or negative
Examples:
Examples:
2
Real Number System.notebook
September 12, 2016
Real Number System
RATIONALS
This should
IRRATIONALS
2.3
go on the
opposite
9
NATURAL
π
page of your
foldable in
your INB
­8/4
WHOLE
INTEGERS
Math 1 HW!!
3
Real Number System.notebook
September 12, 2016
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