Subtracting with Number Line

Which expression matches this number line?

• 2 + 3

• -2 - 3

• -2 + (-3)

• -2 - (-3)

Which expression matches this number line?

• 2 - 3

• 2 + (-3)

• -2 - (-3)

• -2 - 3

When subtracting a positive integer which direction should you move on the number line?

• Left

• Right

• That depends on if the first number is positive or negative

When subtracting a negative integer which direction should you move on the number line?

• Left

• Right

• That depends on if the first number is positive or negative

Which expression matches this number line?

• -2 + 3

• -2 - 3

• 2 - (-3)

• 2 + (-3)

How would you solve the following problem on a number line?

-8 - (-3)

• Start at -8 then move 3 times to the right

• Start at -8 then move 3 times to the left

• Start at -3 then move 8 times to the right

• Start at -3 then move 8 times to the left

How would you solve the following problem on a number line?

• Start at -8 then move 3 times to the right

• Start at -8 then move 3 times to the left

• Start at -3 then move 8 times to the right

• Start at -3 then move 8 times to the left

Which expression matches this number line?

• -2 + 3

• 2 + (-3)

• 2 - (-3)

• -2 - (-3)

Check ALL the boxes that would have a negative sum or difference

• 2 - 5

• -8 + 3

• -6 - (-6)

• 7 - (-3)

• 9 + (-11)

• 7
• 5
• -7
• -5