Math Midterm Test Review

Front

What is the distributive property in mathematics?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to multiply a number by a sum by distributing the multiplication across the addends.

Front

How do you find the factors of a number?

Back

To find the factors of a number, list all integers that can be multiplied together to produce that number. For example, the factors of 52 are 1, 2, 4, 13, 26, and 52.

Front

What is the process to divide fractions?

Back

To divide fractions, multiply the first fraction by the reciprocal of the second fraction. For example, to divide 3/8 by 5 1/4, convert 5 1/4 to an improper fraction and then multiply.

Front

How do you convert a fraction to a percentage?

Back

To convert a fraction to a percentage, divide the numerator by the denominator and then multiply by 100. For example, 14/20 = 0.7, which is 70%.

Front

What is the greatest common factor (GCF)?

Back

The GCF is the largest number that divides two or more numbers without leaving a remainder. For example, the GCF of 36 and 24 is 12.

Front

What is a proper fraction?

Back

A proper fraction is a fraction where the numerator is less than the denominator, such as 3/4.

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator, such as 5/4 or 6/6.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction, such as 2 1/2.

Front

How do you simplify a fraction?

Back

To simplify a fraction, divide the numerator and the denominator by their greatest common factor. For example, 8/12 simplifies to 2/3.

Front

What is the least common multiple (LCM)?

Back

The LCM is the smallest multiple that two or more numbers share. For example, the LCM of 4 and 5 is 20.