Adding Integers on the Number Line

Calculate: @@-16 + 9@@

• -5

• -6

• -7

• -8

What is the result of adding two negative integers?

• The result is always a positive integer.

• The result is always zero.

• The result is always a negative integer.

• The result can be either positive or negative.

Calculate: @@-12 + (-6) + 15@@

• -6

• -3

• 6

• 3

What is the result of adding two negative integers?

• The result is a positive integer.

• The result is zero.

• The result is a negative integer.

• The result is an undefined value.

What is the result of adding a negative integer to zero?

• The result is zero.

• The result is a positive integer.

• The result is the negative integer itself.

• The result is undefined.

What is the result of adding a positive integer to zero?

• The result is zero.

• The result is the positive integer itself. For example, 7 + 0 = 7.

• The result is a negative integer.

• The result is an undefined value.

Calculate: @@-7 + 13@@

• 5

• 6

• 7

• 8

Katherine earned $15 and spent $4 and $10. What is the equation to find out how much she has left?

• 15 - 4 - 10 = 1

• 15 + (-4) + (-10) = 1

• 15 - (4 + 10) = 1

• 15 + 4 - 10 = 1

• -3

• 3

• -9

• 0

What happens when you add zero to an integer?

• The integer becomes zero.

• The integer remains unchanged.

• The integer doubles in value.

• The integer becomes negative.