Exploring Multiplication and Division Equations

The video tutorial covers modeling multiplication and division equations using visual aids like bars and scales. It explains the importance of balancing equations and isolating variables. The tutorial demonstrates how to model both positive and negative numbers in equations and provides examples of interpreting models. It concludes with solving word problems and instructions for homework assignments.

What is the result of 2x when x equals 5?

• 10

• 15

• 5

• 20

What is the correct representation of 2X = 10 using bars?

• 10 bars each of value 2

• 10 bars each of value 1

• 2 bars each of value 5

• 5 bars each of value 2

If 3x equals -9, what is the value of x?

• 3

• -3

• 9

• -9

What does X divided by 2 equal if the total is 6?

• 6

• 3

• 12

• 2

If dividing X by 2 results in 3, what is the value of X?

• 5

• 3

• 6

• 1.5

If X divided by 3 equals -5, what is X?

• -15

• 15

• -5

• 5

What is the value of X if 4X equals -8?

• 8

• -8

• 2

• -2

What does X divided by 6 equal if the result is 4?

• 4

• 6

• 12

• 24

How many pieces are in one package if 3 packages balance 18 pieces?

• 9

• 3

• 18

• 6

What is the value of X in the equation 3X = 18?

• 3

• 54

• 18

• 6