Adding and Subtracting
Based, on the commutative property of addition 3 + 2 =
What is 2 + 3
-57-24=
What is -81
14 x 3 = 3 x 14 is an example of what property?
Commutative property of multiplication
24+(-39)-(-20)=
What is 5
What is the identity property of addition?
a + 0 = a
How do we change subtraction to addition?
What is keep, change, change.
3 + (12 + 4)
How do you add different signed integers?
What is subtract the absolute values and take the sign of the bigger number.
What is the identity property of multiplication?
a x 1 = a