4th Grade Math Vocabulary

Front

A fraction with a numerator that is greater than the denominator.

Back

Improper Fraction

Front

To write a number using words.

Back

Word Form

Front

An angle with a measure of 90 degrees.

Back

Right Angle

Front

A straight figure that has one endpoint and extends in the other direction without end.

Back

Ray

Front

A line on which numbers are marked at intervals which can be used to solve problems.

Back

Number Line

Front

A number that is not a whole number, represented as a fraction or decimal.

Back

Rational Number

Front

The top number in a fraction, representing how many parts are taken.

Back

Numerator

Front

The bottom number in a fraction, representing how many equal parts the whole is divided into.

Back

Denominator

Front

A number written in the form of a whole number and a proper fraction.

Back

Mixed Number

Front

A shape with three sides and three angles.

Back

Triangle