7th Grade Math Review

Front

What is a variable?

Back

A letter or symbol that represents an unknown quantity.

Front

Simplify the expression: 6 + 2(7x - 3)

Back

14x

Front

What is the measure of the supplementary angle if the measure of an angle is 34°?

Back

146°

Front

What is the constant of proportionality?

Back

The constant value that relates two proportional quantities.

Front

What is a unit rate?

Back

A comparison of two different quantities when they are combined together, expressed as a quantity of one.

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2(length + width).

Front

What is the Pythagorean theorem?

Back

Front

What is the definition of a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Front

What is the definition of a composite number?

Back

A composite number is a natural number greater than 1 that is not prime, meaning it has divisors other than 1 and itself.