Transcript RNE Lesson 08 Luke

1)
Find integers and their opposites on a number line.
2)
Find absolute value
What would a math
geek call these
numbers???
1
1, 4.5, 1
4
1. Draw a number line from 0 to 5 then Graph
2. Find the value of each expression.
a)
4  (5  1)
2

Negative #’s:
less than 0

Positive #’s: greater than 0

Opposites: #’s that are the same distance from zero, but on
the other side of 0.
< 0
> 0
◦ 5 & -5 or -2 & 2

Integers: All positive whole numbers, their opposites and
zero.
◦ …3, 2, 1, 0, -1, -2, -3, …

Absolute Value: Distance from 0
Find and graph the opposite of each integer.
2:
The opposite of 2 is – 2.
– 6:
The opposite of – 6 is 6.
Find each absolute value.
| – 4|

| – 4| = 4
|3|

|3| = 3
Write an integer to represent each situation.
Death Valley, California is 282 feet below sea level.

– 282
The stock market gained 5 points yesterday.

5
Patrice withdrew $15 from her savings account.

– 15
1.
Find the opposite of -5.
2.
Graph the following numbers on a number line:
3, −6, 0 and −2
3.
Find the value of |8|
Find the value of |-6|
Write an integer to represent the following:
4.
5.
The buried treasure was 7 feet below the ground.
Why is it important to have both positive and negative
numbers to describe real-world situations?