Adding & Subtracting Integers
Subtract the integers
7 - 10
What is -3?
Which property is shown below? 3 + 4 + 3 = 3 + 3 + 4
The Commutative Property
Multiply the integers
(-3)(2)
-6
-7 & 7 are opposites, true or false
true
8 + (-3) • 2
2
Add the integers
-20 + 3
-17
Adding the opposite of a number/variable to the number/variable will equal 0.
The Inverse Property
Divide the integers
-28 ÷ 7
-18
What is the absolute value of |-99|
99
20 - 12 ÷ (-4)
23
Add the integers
-5+ (-6)
-10
What property is shown below? 99 • 1 = 99
The Identity Property
(-7) (-7)
49
What is the absolute value of |54|
54
15 + (-4) • 3 - 8
-5
Subtract the integers
-9 - 4 - 1 - (-2)
What is -12?
This property allows you to re-group number/variable addends using grouping symbols and not alter the sum.
The Associative Property
-84 ÷ -7
12
absolute value is always ____________________
positive
(-2)2 + 18 ÷ (-3) - (-5)
-9
Subtract the integers
-4 - (-6) - 2
What is 0?
Which property is shown below?
5(a + 8) = 5 • a + 5 • 8
The Distributive Property
Multiply the integers
(-2)(-2)(-7)
-28
|-20| + |20| =
40
4 • (-3 + 5)2 ÷ (-2)
-8