Adding and Subtracting Integers on a Number Line

This video tutorial teaches how to add integers using a number line. It begins with a review of addition vocabulary, explaining terms like addends and sum. The tutorial then demonstrates four examples of integer addition using a number line, including both positive and negative integers. Each example is explained step-by-step, showing how to move along the number line to find the sum. The video concludes with a simple addition example that reinforces the concept.

What are the terms used to describe the numbers being added in an addition problem?

• Quotients

• Factors

• Products

• Addends

In the equation 5 + 2 = 7, what is the result called?

• Product

• Quotient

• Difference

• Sum

When using a number line, which direction do you move to add a negative integer?

• Right

• Left

• Up

• Down

What is the sum of 9 plus negative 7 on a number line?

• Negative 16

• Positive 16

• Negative 2

• Positive 2

How do you model negative 9 on a number line?

• Move right 9 units

• Move left 9 units

• Move down 9 units

• Move up 9 units

What is the result of adding negative 9 and 7 on a number line?

• Negative 2

• Positive 16

• Positive 2

• Negative 16

When adding negative 4 and negative 5, where do you end up on the number line?

• Positive 9

• Positive 1

• Negative 1

• Negative 9

What is the sum of negative 4 plus negative 5?

• Negative 9

• Positive 9

• Negative 1

• Positive 1

What is the sum of 5 plus 4 using a number line?

• Positive 9

• Negative 9

• Positive 1

• Negative 1

When adding two positive numbers on a number line, which direction do you move?

• Left

• Right

• Up

• Down