Negative and Positive Numbers Addition and Subtraction

What is the inverse operation of addition?

• addition

• subtraction

• multiplication

• division

What is the inverse operation of subtraction?

• addition

• subtraction

• multiplication

• division

When you add a positive number on a number line, you move to the ________.

• left

• right

When you subtract a positive number on a number line, you move to the ________.

• left

• right

When you subtract a negative number on a number line, you move to the ________.

• left

• right

-2 + 4 

• -2

• 2

• 0

• -4

-3 - 2

• -1

• -5

• 1

• 6

12 - (-3) = 

• 9

• -9

• 15

• -15

numbers that are greater than zero and to the right of zero on the number line

• integers

• opposite numbers

• positive numbers

• negative numbers

In Addition if the signs the are the same we....

• Add

• Subtract

• Keep Common Sign

• Take sign of number with greater absolute value