One step equations 6th grade CC U.4

Front

What is a one-step equation?

Back

A one-step equation is an algebraic equation that can be solved in a single step by performing the same operation on both sides of the equation.

Front

What does it mean to 'undo' an equation?

Back

To 'undo' an equation means to perform the inverse operation to isolate the variable.

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.

Front

What is the inverse operation of multiplication?

Back

The inverse operation of multiplication is division.

Front

Solve for x: x + 5 = 12

Back

x = 7

Front

Solve for x: 3x = 15

Back

x = 5

Front

Evaluate 2x + 3 for x = 4.

Back

2(4) + 3 = 8 + 3 = 11.

Front

What are coefficients in an equation?

Back

Coefficients are the numerical factors that multiply the variables in an equation.

Front

What is a variable in an equation?

Back

A variable is a symbol, often a letter, that represents an unknown value in an equation.

Front

What is a constant in an equation?

Back

A constant is a fixed value that does not change.