Words to Know: Math (1)

Front

What is the point where two lines or edges meet?

Back

Vertex

Front

What is it called when one side of a shape matches the other exactly?

Back

Symmetry

Front

What are lines that cross each other to form a right angle called?

Back

Perpendicular Lines

Front

What is the answer you get when you subtract?

Back

Difference

Front

What is moving a shape up, down, or sideways without turning it called?

Back

Translation

Front

What do you call a shape that has two sides of equal length?

Back

Isosceles Triangle

Front

What is the term for a flat surface that extends infinitely in all directions?

Back

Plane

Front

What do you call a closed figure made up of straight line segments?

Back

Polygon

Front

What is the term for the distance around a shape?

Back

Perimeter

Front

What do you call the amount of space inside a shape?

Back

Area