Unit 1 Section 3 Real Numbers & the Number Line.notebook
Bellringer
8 + 6(4 + 4 ÷ 2)
Which student is correct?
Student 1
Student 2
Student 3
8 + 6(4 + 4 ÷ 2)
14(4 + 4 ÷ 2)
14(4 + 2)
14(6)
84
8 + 6(4 + 4 ÷ 2)
8 + 6(8 ÷ 2)
8 + 6(4)
8 + 24
32
8 + 6(4 + 4 ÷ 2)
8 + 6(4 + 2)
8 + 6(6)
8 + 36
44
Aug 29­1:01 PM
Sep 7­7:11 AM
September 08, 2015
Unit 1 Section 3 Real Numbers & the Number Line.notebook
Sep 7­7:18 AM
Homework Packet page 8
May 24­2:17 PM
September 08, 2015
Unit 1 Section 3 Real Numbers & the Number Line.notebook
September 08, 2015
The Real Number System
Real Numbers
Rational (Q)
fractions
decimals
• repeat
• terminate
Irrational (I)
Integers (Z)
...­3, ­2, ­1, 0, 1, 2, 3...
Whole (W)
0, 1, 2, 3, ...
Natural (N)
1, 2, 3, 4....
May 24­2:31 PM
Real Numbers: Contain all positive, negative
number and zero. They also include all
fractions. They use the (R) symbol.
Real numbers are all the numbers on the number line:
Jan 22­7:38 AM
Unit 1 Section 3 Real Numbers & the Number Line.notebook
September 08, 2015
Rational number: a number that can be
written in the form m where m and n
n
are integers and n≠0. This includes all
terminating and repeating decimals. They
use the (Q) symbol.
Why can't n≠0?
May 24­11:51 AM
Irrational Numbers: numbers that can't be
written in the form m
n , this includes
non-repeating, non terminating decimals.
They use the (I) symbol.
Examples:
May 24­12:13 PM
Unit 1 Section 3 Real Numbers & the Number Line.notebook
September 08, 2015
Integers: Whole numbers, their opposites,
and zero. They use the (Z) symbol.
­5
­4
­3
­2
­1
0
1
2
3
4
5
Examples:
Jan 22­7:53 AM
Whole Numbers: The positive numbers and
zero. They use the (W) symbol.
Examples:
May 24­2:09 PM
Unit 1 Section 3 Real Numbers & the Number Line.notebook
September 08, 2015
Natural Numbers: The positive numbers, not
zero. AKA the counting numbers. They use
the (N) symbol.
Examples:
May 24­2:09 PM
Name all the Sets of numbers each number
belongs to:
1.) 97
2.) √8
Sep 10­7:48 AM
3.) ¼
Unit 1 Section 3 Real Numbers & the Number Line.notebook
September 08, 2015
Show that each number is a rational number.
4.) -2
7
9
5.) 3.08
6.) -3
Sep 3­9:23 AM
Homework:
Homework packet pages 9 and 10
Aug 29­10:05 AM
Unit 1 Section 3 Real Numbers & the Number Line.notebook
Sep 3­9:24 AM
September 08, 2015