Adding Signed Numbers: Adding Two or More Numbers With the Same Sign
This clip explains that when adding two or more numbers with the same sign, to get the absolute value of the answer, we add the absolute value of the addends. "As for the sign of the answer," the clip continues, "
it's the same as the sign of the a...
Adding Signed Numbers: Pairs of Numbers Whose Sum is Zero
This clip explains that any time we add 2 numbers with the same absolute value, but opposite signs, their sum will be zero.
Adding Signed Numbers: Adding Negative Numbers
This clip explains the rule for adding two negative numbers: to get the absolute value of the answer, add the absolute values of the addends. "As for the sign of the answer," the clip continues, "
it's the same as the sign of the addends."
Adding Signed Numbers: Adding Positive Numbers
This clip explains the rule for adding positive numbers: to get the absolute value of the answer, add the absolute values of the addends. "As for the sign," the clip continues, "
it will be positive
same as the two addends."