Mastering Integer Addition on the Number Line

This video tutorial by Mr. Ace Math covers adding integers using a number line. It begins with an introduction to the prerequisites, such as understanding decimals, fractions, and mixed numbers. The lesson then explains what integers are, including positive and negative whole numbers and zero, and how they are represented on a number line. Two methods for adding integers on a number line are demonstrated: the hop method and the arrow method. The video includes practice problems with solutions to reinforce learning. The lesson concludes with a summary of the key points covered.

Which of the following is NOT a prerequisite for this lesson?

• Recognizing fractions

• Understanding decimals

• Knowing basic addition

• Familiarity with algebra

What is an integer?

• Zero

• A negative whole number

• All of the above

• A positive whole number

Which of the following is an integer?

• 1.5

• 9.01

• 3

• 2/3

What does the first number in an addition statement tell us when using the number line?

• The final answer

• Where to start

• The direction to move

• How to move

In the hop method, if you start at -1 and add 5, where do you end up?

• 4

• 5

• 3

• 2

In the arrow method, where do you start?

• At the first number

• At zero

• At the second number

• At the final answer

Using the arrow method, what is the result of 5 + (-7)?

• 12

• -2

• 2

• -12

If you start at -6 and hop 9 spaces to the right, where do you end up?

• -9

• 3

• -3

• 9

What is the result of 3 + (-4) using the arrow method?

• -1

• -7

• 7

• 1

What direction do you move on the number line when adding a positive integer?

• To the left

• Downwards

• Upwards

• To the right