Adding and Subtracting Integers Made Easy

This lesson covers the basics of adding and subtracting integers. It begins with a definition of integers and examples of positive and negative whole numbers. The lesson then demonstrates how to use a number line for addition and subtraction, followed by a set of rules for combining integers with the same or different signs. The video concludes with a summary and encourages students to practice these skills.

Which of the following is not an integer?

• -73

• 12 Pi

• 5

• 15

What is the result of 1 + 7 using a number line?

• 9

• 8

• 7

• 6

If you add a positive number, which direction do you move on a number line?

• Down

• Up

• Right

• Left

What is the sum of -8, +3, and -1?

• 0

• 2

• -4

• -6

According to the rules, how do you combine numbers with the same sign?

• Add and keep the sign

• Add and change the sign

• Subtract and keep the sign

• Subtract and change the sign

What is the result of -2 + 3?

• -5

• 5

• -1

• 1

When combining numbers with different signs, what should you do?

• Add the numbers

• Subtract the numbers and use the sign of the larger number

• Multiply the numbers

• None of the above

What is the result of -4 minus -3?

• -1

• 7

• 1

• -7

What does a negative result indicate when using a number line?

• Error in calculation

• Movement to the left

• Movement to the right

• No movement

Why is it useful to practice with a number line?

• None of the above

• It makes problems harder

• It is mandatory

• It helps in visual learning