Transcript Comparing and Ordering Integers

Quick Review
Write the following numbers from least
to greatest:
1. 55
46
48
35
2. 135 211 198 201
Answers:
1. 35, 46, 48, 55
2. 135, 198, 201, 211
Comparing and
Ordering Integers
Section 1-6 (pages 34-38)
What is an integer?

The set of positive whole numbers
their opposites, and zero.
Integers to the left of zero, are
less than zero and are negative.
-3
-2
-1
Examples???
Integers to the right of zero, are
greater than zero and are positive.
0
1
2
3
-21, -3, 0, 5, 36, 156
Finding an Opposite

Two numbers that are the same distance
from 0 on a number line, but in opposite
directions are opposites.
Example: Find the opposite of -5.
-5 -4 -3 -2
Answer: 5
-1
0
1
2
3
4
5
Finding an Absolute Value

The absolute value of a number is its
distance from 0 on a number line.
*notation: the absolute value of -2 is written as |-2|
Example: Find |-4| and |4|.
-4
-3
Answer: 4
-2
-1
0
1
2
3
4
Comparing Integers
Example: Compare 4 and -5 using >,<, or =.
-5 -4 -3 -2
-1
0
Answer: 4 > -5 or -5 < 4
1
2
3
4
5
Ordering Integers
The following table contains the number of goals MarcAndre Fleury allowed in net against each team.
Order the teams by goals allowed from least to
greatest.
Team
Goals Allowed
Flyers
2
Answer: Flyers, Devils,
Rangers, Bruins
-5 -4 -3 -2
-1
Bruins
5
Devils
3
Rangers 4
0
1
2
3
4
5
Additional Problems
1. Graph -2 and it’s opposite on a number line.
-2
-1
0
1
2
2. Find the value of |-4| + 3.
7
3. Write an integer to make the statement true.
-3 > ____
-4, -5, -6. etc.
4. Order the numbers from greatest to least:
22, -7, 54, -13.
54, 22, -7, -13