Exploring Adding and Subtracting Rational Expressions

What happens when you add a positive integer on a number line?

• You move forward.

• You skip numbers.

• You move backward.

• You stay in the same place.

If you start at -5 and add 7, where do you end up on the number line?

• -2

• 5

• 0

• 2

When adding a negative integer, which direction do you move on the number line?

• Downward

• Forward

• Backward

• Upward

What is the result of -6 + (-2) on the number line?

• -4

• 8

• -8

• 4

If you start at 3 and add -4, where do you end up on the number line?

• 1

• -1

• 0

• -2

What is the result of 8 + (-3) on the number line?

• 1

• 5

• 11

• 3

If you start at -10 and add 6, where do you end up on the number line?

• -4

• -16

• -2

• -6

What is the result of -18 + 5 on the number line?

• -3

• 7

• -23

• -13

If you start at -12 and add -2, will the result be positive or negative?

• Positive

• Negative

• Zero

• Undefined

If you start at 5 and add -1, will the result be positive or negative?

• Negative

• Positive

• Undefined

• Zero