Transcript Math - Simpson County Schools

Math
Integers and Absolute Value
1
What Are You Learning?


I CAN find the absolute value
of integers.
I CAN use integers to
represent various situations.
2
Why Do I Need To Know This?

Using integers to represent
situations is important because
it allows you to use integers to
symbolize real world events and
situations.
3
Vocabulary

Integers are whole numbers and their opposites.

Negative integers are integers less than zero.

Positive integers are integers greater than zero.

Where might you find integers in the real world?
4
Write an integer for each
situation.
a.
b.
The average temperature in Tennessee for May was 5 degrees below
normal.
The average rainfall in Virginia for November was 5 inches above
normal.
c.
6°F below 0
d.
A loss of 11 yards
e.
A deposit of $16
f.
The price of a company’s stock fell 21 points in two days. Write an
integer to represent the amount the stock price fell.
5
Write an integer that
represents 8° below 0.
-8
8
│-8│
│8│
1.
2.
3.
4.
1
2
3
4
5
6
7
8
9
10
21
22
23
24
25
26
27
28
29
30
11
12
13
14
15
16
17
18
19
20
6
Write an integer for each
situation.
a.
The temperature of the liquid is 4 degrees below
zero.
b.
Seawater freezes 2 degrees below zero.
c.
12 degrees below Celsius.
d.
A debt of $5.
e.
A dive of 23 feet below the surface.
7
Vocabulary
Absolute Value—the
distance the number is
from zero on a number
line.
8
Find the absolute value.
a.
b.
c.
d.
e.
f.
|-3|
|3|
|-10|
|-5|
|5|
|-12|
9
Evaluate │-7│
7
-│-7│
14
-7
1.
2.
3.
4.
1
2
3
4
5
6
7
8
9
10
21
22
23
24
25
26
27
28
29
30
11
12
13
14
15
16
17
18
19
20
10
Find the absolute value
a.
b.
c.
d.
e.
f.
|6|
|-6|
|-4|
|-5|
|-5| - |2|
|-4| - |-3|
11
Evaluate │5 │+ │-2 │
25%
25%
25%
25%
-7
4.
1
2
3
4
5
6
7
8
9
10
21
22
23
24
25
26
27
28
29
30
11
12
13
14
15
16
7
3.
-3
2.
3
-7
-3
3
7
1.
17
18
19
20
12
Determine whether each statement is true
or false. If false, give a counterexample.
a.
b.
Every integer has an absolute value.
The absolute value of every integer is
positive.
13
Complete each sentence with a
word that makes it true.
a.
An integer is negative, positive, or ____?
b.
All _____ integers are less than zero.
c.
d.
The opposite of a _______ number is
negative.
The absolute value of an integer is never
________.
14
Class Work
15