Adding Integers and Their Properties

The video tutorial introduces the concept of integers, including positive and negative integers. It explains how to add integers with like and unlike signs using a number line and absolute values. The tutorial covers adding positive integers, adding integers with unlike signs, and adding negative integers. It concludes with a summary of the methods for adding integers, emphasizing the use of absolute values and the number line.

What is the definition of integers?

• Fractions and decimals

• Whole numbers and their opposites

• Only negative numbers

• Only positive numbers

Which of the following is NOT an integer?

• 2.5

• -3

• 0

• 7

How do you add two positive integers using a number line?

• Move right for the first and left for the second

• Move left for the first and right for the second

• Move right for both numbers

• Move left for both numbers

What is the result of 4 + 5?

• 8

• 7

• 10

• 9

When adding 4 and -2 on a number line, which direction do you move for -2?

• Down

• Up

• Left

• Right

What is the result of 4 + (-2)?

• 6

• 2

• -2

• 0

How do you determine the sign of the result when adding integers with unlike signs without a number line?

• Use the sign of the smaller absolute value

• Use the sign of the larger absolute value

• Always use a positive sign

• Always use a negative sign

What is the result of 8 + (-10) without using a number line?

• -18

• 2

• -2

• 0

When adding two negative integers on a number line, which direction do you move?

• Right

• Left

• Up

• Down

What is the result of -4 + (-6) using a number line?

• 10

• 2

• -10

• -2