Adding Integers
8+5
13
23-5
18
When you add integers with the same sign you add the absolute values of the integers and _________ the sign the same.
Keep
When one is subtracted from an integer, the result is the predecessor of that integer.
Property of one
What is the definition of absolute value?
Numeric value of the number without any sign.
-11+12
1
-9-6
-15
When you add integers with different signs you subtract the absolute values of the integers and use the sign of the integer with the __________ absolute value.
Larger/Greater
-5 + 0 = -5
Additive property of 0 or closure property of addition
What is an integer?
Positive numbers, negative numbers along with zero.
-13+(-18)
-31
15-(-4)
19
When subtracting integers you have to change the sign to a ________.
Addition sign
Zero is called the ______ identity
Additive
Explain one property that is same for addition and subtraction.
Closure property
-25+28
3
-20-(-17)
-3
When subtracting integers the first integer stays the __________.
Same
Identify the property:
6 + (-6) = ____
Additive inverse
What does keep, change, change mean and when do we use it?
Keep the first integer the same, change the subtraction sign to an addition sign, change the second integer to its opposite.
We use this method when subtracting integers.
-35+22
-13
38-(25)
13
Subtracting integers is actually _____________ the ___________.
Name the property when 1 is added to the integer, it gives you its successor.
Property of one
The sum of any integer and its opposite is always equal to ______
Zero