Adding Integers Prac. #1

2 + (-21) 

• 19
• -19
• -23
• 23

-8 + 13

• 21
• -21
• 5
• -5

A football team gained 9 yards on one play and then lost 22 yards on the next. Write a sum of integers to find the overall change in field position.

• -9 + (-22) = -13
• 9 + (-22) = 13
• 9 + (-22) = -13
• none

8 + (-8)

• 1

• -16

• 16

• 0

-7 + (-5)

• 12

• 2

• -12

• -2

What do you call integers greater than zero? 
Example: 
1, 2, 3, ....

• negative integers
• negative numbers
• positive integers
• positive numbers

What equation is modeled?

• 15 + 25 = -10
• 15 + -25 = -10
• -10 + 15 = -10
• -25 + 15 = -10

What addition problem is modeled by the integer chips shown?

• -5+3

• -5+(-3)

• 5+3

• 5+(-3)