Write and solve equations multiplication and division

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing one or more variables.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

Front

What is the multiplication property of equality?

Back

The multiplication property of equality states that if you multiply both sides of an equation by the same non-zero number, the two sides remain equal.

Front

What is the division property of equality?

Back

The division property of equality states that if you divide both sides of an equation by the same non-zero number, the two sides remain equal.

Front

Write an equation to represent the total pay for hours worked at a rate of $8 per hour for 12 hours.

Back

8h = 96, where h is the number of hours worked.

Front

If 3 candy bars cost $18, what equation can be used to find the cost of one candy bar?

Back

3c = 18, where c is the cost of one candy bar.

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, you perform inverse operations to get the variable alone on one side of the equation.

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Back

Divide both sides by 12.5 to isolate x.

Front

Back

x = 7, because you subtract 5 from both sides.

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What does it mean to model a situation with an equation?

Back

Modeling a situation with an equation means creating a mathematical representation of a real-world scenario using variables and constants.