Adding Same Sign Integers
109 + 191 =
300
1 + (-2) =
-1
1 - 4 =
-3
On Monday, Jane made withdrawals of $25, $45, and $75 from her savings account. Find the total amount Jane withdrew on Monday.
-145
How do you change a subtraction equation to a an addition equation?
CHOP CHOP
-8 + (-1) =
-7 + 9 =
2
-3 - (-45) =
42
Alex had a negative bank balance of -$56.00. Alex then deposited a check for $78.00. Find Alex's current balance.
$22.00
Does the order in which you add two integers with the same sign affect the sum?
No
-48 + (-12) =
-60
16 + (-7) =
9
-16 - 11 =
-27
The temperature on Monday was -15 degrees F. By Tuesday the temperature rose to 24 degrees F. Find the change in temperature.
39 degrees.
What is the second step in adding integers with different signs?
Subtract the integer with the lesser absolute value from the integer with the greatest absolute value... BIG MINUS SMALL
-50 + (-175) + (-345) =
-570
-8 + (-2) + 3 =
-7
29 - (-2) =
31
Herman is standing on a ladder that is partly in a hole. He starts out on a rung that is 6 feet under ground, climbs up 14 feet, then climbs down 11 feet. What is Herman's final position, relative to ground level?
Which expression has greater value?
21 - 3 + 8 OR -14 + 31 - 6
21 - 3 + 8