C6 Topic 4 One-Step Equation Review

Front

What is a math statement with one or more numbers and one or more operations?

Back

Expression

Front

What does 'equivalent' mean?

Back

The same, equal, identical; all of the above.

Front

Solve for n: 1/2 n = 10. Show how you isolated the variable, solve and check.

Back

n = 20.

Front

Solve for x: x – 125 = 375. Show ALL work, including a check.

Back

x = 500.

Front

Solve the equation: 48 = 6w. Show ALL work, including a check.

Back

w = 8.

Front

What is an equation?

Back

A mathematical statement that asserts the equality of two expressions.

Front

What is a variable in mathematics?

Back

A symbol used to represent a number that can change.

Front

What is the reciprocal of a number?

Back

The number that, when multiplied with the original number, gives a product of 1.

Front

How do you isolate a variable in an equation?

Back

Perform inverse operations to get the variable alone on one side of the equation.

Front

What is the first step to solve the equation 3x + 5 = 20?

Back

Subtract 5 from both sides.