7th Grade Expressions & Equations Review

Front

What is the solution to the equation -3(4 - 2x) = 6?

Back

x = 3

Tags

CCSS.7.EE.B.4A

Front

If Jenny's ice cream store sells 5 ice cream cones for every 3 brownies, how many total items are sold if 18 brownies are sold?

Back

48

Tags

CCSS.6.RP.A.3B

Front

What is the main difference when solving an inequality compared to solving an equation?

Back

Bring down the inequality symbol and FLIP the symbol when you multiply or divide by a negative.

Front

What is an inverse operation?

Back

Using the opposite operation to solve equations.

Tags

CCSS.HSA.REI.A.1

Front

If the average rate of hair growth is 2.5 centimeters every 2 months, how many months will it take to grow 22.5 centimeters of hair?

Back

9 months

Tags

CCSS.6.EE.B.7

Front

What is the distributive property?

Back

a(b + c) = ab + ac

Tags

CCSS.6.EE.A.3

Front

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

Back

To get the variable alone on one side of the equation.

Tags

CCSS.6.EE.B.7

Front

What is the difference between an equation and an inequality?

Back

An equation states that two expressions are equal, while an inequality shows that one expression is greater or less than another.

Tags

CCSS.6.EE.B.8

Front

What is the first step in solving the equation 2x + 3 = 11?

Back

Subtract 3 from both sides.

Tags

CCSS.7.EE.B.4A

Front

What is the formula for finding the average of a set of numbers?

Back

Average = (Sum of all values) / (Number of values)

Tags

CCSS.6.SP.B.5C