1. Integers and Opposites on a Number Line
Teacher Twins ©2015

2. Warm Up Give all of the names for each number.
1) ). − 𝟔 𝟐 3). −𝟖𝟕.𝟗
Give the rational number for each situation.
4). The temperature is 8.5 degrees below zero.
5). Cyndi won $500 in a game.
6). Jason ran 𝟒 𝟐 𝟑 miles on Friday.
WN, I, Rat.
I, Rat.
Rational
- 8.5
$500
𝟒 𝟐 𝟑

3. Identifying numbers on a horizontal number lineC
1). What is the value of A?
2). What is the value of C?
3). What number do you reach when you start at zero and move 5 units to the left?
4). What number do you reach when you start at -7 and move 3 units to the right? −𝟏 8 −5 −𝟒

4. -2 2 -1 -4 A B 1). What is the value of B? 2). What is the value of A?
Identifying Numbers on a Vertical Number Line -2
1). What is the value of B?
2). What is the value of A?
3). What number do you reach when you move 3 units up from −𝟒?
4). What number do you reach when you move three units down from −𝟏? A 2 B -1 -4

5. Identifying Rational Numbers on a Number Line
1). What is the value of A?
2). What is the value of B?
3). What number do you reach when you start at zero and move 𝟓 𝟏 𝟒 units to the left?
4). What number do you reach when you start at−𝟕 𝟏 𝟐 and move 3 units to the right?
−𝟒 𝟏 𝟐 𝒐𝒓 −𝟒.𝟓
𝟓 𝟏 𝟐 𝒐𝒓 𝟓.𝟓
−5 𝟏 𝟒 𝒐𝒓 −𝟓.𝟐𝟓
−𝟒 𝟏 𝟐 𝒐𝒓 −𝟒.𝟓

6. Opposite Numbers What is the opposite of – 6? 6
The opposite of a number is the number that is the same distance from zero on a number line but in the other direction.
-6 is 6 away from zero
6 is 6 away from zero
What is the opposite of – 6? 6

7. Real Life Examples of Opposite Numbers-4 4
La owes her mom $4.00.
La pays her mom $4.00.
These are opposites.
-4.00 is 4 away from zero
4 is 4 away from zero

8. Practice
1). -2 -4 -3 -1 1
Finish labeling the number line.
2). What is the opposite of 1? Explain how you know.
3). What is the opposite of -4? Explain how you know.
-1 because it is one away from zero in the opposite direction of 1
4 because it is four away from zero in the opposite direction of -4

9. Give an example of opposites in real life.
Closure
Give an example of opposites in real life.