Adding Integers Using a Number Line

Use the number line to find the sum.
-7 + 2 =

• -5
• 5
• -9
• 9

Use the number line to find the sum.
-3 + (-4) =

• -7
• 7
• -1
• 1

Use the number line to find the sum.
6 + (-5) =

• 1
• -1
• 11
• -11

• 2

• -2

• 4

• -4

Which equation is represented by this model?

• -4 + (-3) = -7

• -4 + 3 = -1

• 6 + 1 = 7

• 4 + (-3) = 1

Tell if the sum is positive, negative, or zero without adding.

-2 + -3

• Positive

• negative

• zero

Tell if the sum is positive, negative, or zero without adding.

2 + -3

• Positive

• negative

• zero

Tell if the sum is positive, negative, or zero without adding.

-2 + 3

• Positive

• negative

• zero