7th Grade Math Review

Front

What does the variable x represent in the equation 6(x + 18) = 192?

Back

The number of boards in one kit.

Front

How do you find the median of a data set?

Back

Arrange the numbers in order and find the middle value.

Front

What values of x make the inequality 2x + 2 < 4 true?

Back

x < 1.

Front

Which expression is equivalent to -7(y - 2)?

Back

-7y + 14.

Front

What is the sum of the angles in a triangle?

Back

180 degrees.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.

Front

What is the definition of a median in statistics?

Back

The median is the middle value of a data set when arranged in order.

Front

How do you solve the equation 3x + 5 = 20?

Back

x = 5.

Front

What is the definition of an inequality?

Back

An inequality is a mathematical statement that compares two expressions using <, >, ≤, or ≥.

Front

What does it mean for two expressions to be equivalent?

Back

They have the same value for all values of the variable.