Adding Positive Integers
2+3
5
-1 + (-3)
-4
25-19
6
1-(-3)
2
Dominic has $30 in his account but buys something worth $55. How much is in his account?
19+3
22
-5 + (-3)
-8
10-12
-2
-8-(-1)
-7
Ms Young wants to buy her Power Math class Wingstop. If Wingstop is $50 and she only has $14, how much more money does she need?
$36
20+32
52
-18 + (-2)
-20
12-14
-2
-10 -(-10)
0
I swim three meters below sea level, then swim down ten more meters and swim back up 8 meters. What is my current sea level?
-5
14+17
31
-3 + (-39)
-42
9-17
-8
-5-(-25)
20
Lindsey has $70 in her checking account. She makes a withdrawal of $40 and then writes a check for $10. Then she deposits $30.What is her final balance
$50
When adding two positive integers, which direction on the number line do you move?
To the right
When adding two negative integers, which direction on the number line do you move?
To the left
When subtracting two positive integers, which direction do you move on the number line?
To the left
When subtracting two negative numbers, which direction on the number line do you move?
To the right
Luis has $80 in his checking account. He makes a deposit of $100, and then writes a check for $40. Then he uses his check card to buy a bicycle for $40 and makes a withdrawal of $70 at an ATM.
$-30