5th grade vocabulary

Front

What is a denominator?

Back

In a fraction, the number below the fraction bar.

Front

What is an equilateral triangle?

Back

A triangle where all sides are congruent.

Front

What are thousandths?

Back

The third place value to the right of the decimal; one out of one thousand equal parts.

Front

What is a polygon?

Back

A closed plane figure made up of line segments.

Front

What is the distance around the outside of a polygon called?

Back

Perimeter.

Front

What is a numerator?

Back

In a fraction, the number above the fraction bar.

Front

What is an acute angle?

Back

An angle that measures less than 90 degrees.

Front

What is a right angle?

Back

An angle that measures exactly 90 degrees.

Front

What is a obtuse angle?

Back

An angle that measures more than 90 degrees but less than 180 degrees.

Front

What is a square?

Back

A polygon with four equal sides and four right angles.