Adding and Subtracting with Number Lines

How do you change a subtraction problem to an addition problem?

• Change the first number to its opposite.

• Change the second number to its opposite and change the operation to addition.

• Change both numbers to their opposites.

• Change the operation to multiplication.

What is the opposite of -7?

• 0

• -14

• -7

• 7

Where is zero typically placed on a number line?

• At the far left

• At the far right

• In the middle

• It varies

Which number is larger: -3 or -5?

• Cannot be determined

• They are equal

• -5

• -3

If you start at 4 on a number line and add -2, where do you end up?

• 6

• -2

• 2

• 0

What direction do you move on a number line when adding a positive number?

• Up

• Right

• Down

• Left

If you start at -3 and add 4, what is the result?

• 1

• -1

• 7

• -7

How do you change a subtraction problem to an addition problem when subtracting a negative number?

• Change the first number to its opposite.

• Change the second number to its opposite and change the operation to addition.

• Change both numbers to their opposites.

• Change the operation to multiplication.

What is the result of 4 - 6 on a number line?

• 2

• -10

• -2

• 10

If you start at -5 and subtract -3, where do you end up?

• -8

• -2

• -1

• 0