Adding Integers with Different Signs Using a Number Line

This video tutorial teaches how to add integers with different signs using a number line. It reviews previous lessons on number lines and absolute values, highlights common mistakes, and provides step-by-step solutions to integer addition problems. The tutorial concludes with a rule for adding integers with different signs, emphasizing the importance of absolute values and direction.

What is the absolute value of -3?

• 0

• -3

• 3

• 6

When adding 8 and -6 on a number line, where do you end up?

• -2

• 0

• 4

• 2

In the example of -10 + 6, what is the final result?

• 4

• 0

• 6

• -4

What is the rule for adding integers with different signs?

• Add the numbers and take the sign of the first number

• Subtract the absolute values and take the sign of the number with the largest absolute value

• Add the absolute values and take the sign of the number with the smallest absolute value

• Subtract the numbers and take the sign of the second number

If you have 2 and -5, what is the result using the rule for different signs?

• -3

• 3

• -7

• 7