Solving One-Step Equations in 8th Grade Math

What defines an equation differently from an expression?

• An equation has a variable.

• An equation has an equal sign.

• An equation is a question.

• An equation cannot have numbers.

What is the coefficient in an equation?

• The operation between numbers.

• The number in front of a variable.

• A number by itself.

• A symbol representing an unknown value.

How do you solve an equation with a fraction coefficient?

• Subtract the fraction from both sides.

• Divide by the fraction directly.

• Multiply by the reciprocal of the fraction.

• Add the fraction to both sides.

What operation would you use to isolate a variable being divided by a number?

• Subtraction

• Addition

• Division

• Multiplication

If a variable is being subtracted by 1.3, how do you isolate it?

• Add 1.3 to both sides

• Multiply both sides by 1.3

• Subtract 1.3 from both sides

• Divide both sides by 1.3

How do you solve an equation where a variable is multiplied by 12?

• Subtract 12 from both sides

• Add 12 to both sides

• Multiply both sides by 12

• Divide both sides by 12

What is the correct step when dealing with a negative fraction coefficient?

• Add the reciprocal of the fraction

• Subtract the reciprocal of the fraction

• Multiply by the negative reciprocal of the fraction

• Divide by the negative reciprocal of the fraction

In a word problem, what is the first step in solving an equation?

• Identify the operation

• Solve the equation

• Write the equation

• Define the variable

How much does each box of Girl Scout cookies cost if 6 boxes cost $25.50 in total?

• $4.25

• $3.75

• $5.00

• $6.25

What is the side length of a square if its perimeter is 10?

• 2.5

• 5

• 10

• 20