7th Grade Math Review

Front

What is the ratio of total students to boys in a class with 12 girls and 16 boys?

Back

7/4

Front

What is an equation with two equal ratios called?

Back

Proportion

Front

Which of the following is an equation: 6x + 2x - 6, 6x² + 10 = 25, 6x² + 10 - 25, 10y - 6 + 34u?

Back

6x² + 10 = 25

Front

What is the largest factor shared by a set of numbers?

Back

Greatest Common Factor (GCF)

Front

Which of the following is an expression: 6x + 2x = 6, 10 = 5x, 2x + 6x - 10, 6x² + 10 = 25?

Back

2x + 6x - 10

Front

What is the definition of a ratio?

Back

A comparison of two quantities by division.

Front

What is the definition of a proportion?

Back

An equation that states that two ratios are equal.

Front

What is the Greatest Common Factor (GCF)?

Back

The largest number that divides two or more numbers without leaving a remainder.

Front

What is an expression in mathematics?

Back

A combination of numbers, variables, and operators without an equality sign.

Front

What is the difference between an equation and an expression?

Back

An equation has an equality sign, while an expression does not.