One-Step Equations with Rational Numbers

Front

What is a one-step equation?

Back

A one-step equation is an algebraic equation that can be solved in a single step, typically by performing an inverse operation to isolate the variable.

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What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.

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What is the inverse operation of multiplication?

Back

The inverse operation of multiplication is division.

Front

How do you solve the equation 5x = 25?

Back

Divide both sides by 5 to isolate x. Thus, x = 5.

Front

What is the first step to solve the equation 3 + x = 21?

Back

Subtract 3 from both sides to isolate x. Thus, x = 18.

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Back

Front

What does it mean to isolate a variable in an equation?

Back

Isolating a variable means to manipulate the equation so that the variable is on one side and all other terms are on the opposite side.

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Front

What equation represents the situation: Dr. Lahana takes 30 seconds to solve a Math problem, which is twice as much time as Ms. Rosegreen?

Back

The equation is 2w = 30, where w represents the time Ms. Rosegreen takes.

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.