Understanding Negatives and Integers

This video introduces integers, including positive, negative numbers, and zero. It explains absolute value as the distance from zero and clarifies the multiple meanings of the hyphen symbol. Through examples, it demonstrates how to calculate absolute values and understand opposites and negatives. The video combines these concepts to solve problems involving absolute values and opposites.

What is an integer?

• A number that is always zero

• A number that is always positive

• A number that is always negative

• A number that can be positive, negative, or zero

Which of the following is NOT an integer?

• -3

• 0

• 2.5

• 7

What does the absolute value of a number represent?

• The number itself

• The square of the number

• The distance from zero

• The negative of the number

What is the absolute value of -2?

• 4

• 2

• 0

• -2

What is the absolute value of 4?

• 0

• 8

• -4

• 4

What are the three meanings of the hyphen symbol?

• Addition, positive, opposite

• Subtraction, negative, opposite

• Multiplication, division, equal

• Greater than, less than, equal

How can the hyphen symbol be interpreted in mathematics?

• As a symbol for division

• As a symbol for subtraction, negative, or opposite

• As a symbol for multiplication

• As a symbol for addition

What is the absolute value of -7?

• 14

• -7

• 0

• 7

What is the absolute value of 4?

• 4

• -4

• 0

• 8

What is the opposite of -6?

• -6

• 0

• 6

• 12