1. Directions: Write an integer to represent each situation.
Mathletes Fab Five
Directions: Write an integer to represent each situation.
an elevator ride down 27 stories
a $700 profit
46 degrees below zero
a gain of 12 yards
First, write down the number and question!
-27
700
-46 12

2. Turn to page 4 in your GO MATH workbook
Additional Warm-Up
Turn to page 4 in your GO MATH workbook
Do Exercises 9 through 12.
ANSWER: 5 10
-10 -5 4 7 -4 -9

3. Adding and Subtracting Integers
Module 1
Adding and Subtracting Integers

4. Adding and Subtracting Integers
Module 1
Intro Video
(Click Here)
Adding and Subtracting Integers

5. Adding Integers with the Same Sign
Lesson 1.1
Adding Integers with the Same Sign

6. Modeling Adding Integers
Number Line
Red and Yellow Tiles
Examples: 1.) ) -2 + (-3)
Examples: 1.) -2 + (-2) 2.) 5 + 3
= 6
= -4
is negative 2 6
is positive
= -5
= 8 -5 -2

7. Vocabulary Word
Absolute Value: The distance a number is from zero on the number line
Example: Find the absolute value.
= 3
= 2

8. Essential Question
How do you add integers with the same sign?
Find the absolute values
Find the sum of the absolute values
Use the sign of the integers to write the sum

9. Remember:
Same sign add and keep!!

10. Same sign add and keep!! Examples: Add the integers.
1.) (-16) 2.) (-13)
3.)
-38
-73
160

11. Vocabulary Word
Commutative Property Add in any order and you will get the same sum a + b = b + a = 6 + 5
Example: = = 5

12. Adding more than two terms
Use the Commutative Property to help add more simple numbers

13. Examples:
264
200

14. Homework
Workbook Page 10 (#1-17 ALL)