Solving Simple One-Step Equations

The video tutorial on 'The Magic of Math' channel covers solving simple equations using inverse operations. It reviews key vocabulary such as variables, equations, and solutions, and explains properties of equality for addition, subtraction, multiplication, and division. The tutorial includes practice problems and emphasizes checking solutions. It also discusses using symbols like pi and solving equations with reciprocals. The lesson is aimed at grade 8 students as a review of concepts introduced in earlier grades.

What is a variable in the context of equations?

• A symbol representing one or more numbers

• A fixed number

• A type of equation

• A mathematical operation

Which operation is the inverse of addition?

• Addition

• Subtraction

• Division

• Multiplication

If x + 6 = 11, what is the value of x?

• 5

• 6

• 8

• 7

What does the multiplication property of equality state?

• Adding the same number to both sides of an equation keeps it balanced

• Multiplying the same number to both sides of an equation keeps it balanced

• Subtracting the same number from both sides of an equation keeps it balanced

• Dividing the same number from both sides of an equation keeps it balanced

Solve for x: 5x = 30

• 6

• 8

• 5

• 7

What is the value of pi in mathematical terms?

• A variable that can vary

• A symbol representing an irrational number

• A fixed integer

• A mathematical operation

If pi times x equals 18 pi, what is x?

• 19

• 16

• 17

• 18

What is the reciprocal of -2/3?

• 2/3

• -2/3

• 3/2

• -3/2

Solve for t: t + 3 = -16

• -17

• -18

• -19

• -16

What is the solution for b if b divided by 4 equals -13?

• -52

• -51

• -49

• -50