Unit 1, 3, 4 and 6 math vocabulary

Front

a polygon with four sides

Back

quadrilateral

Front

an exact place or location in space

Back

point

Front

a line that divides a shape into two parts that are exactly alike

Back

line of symmetry

Front

lines that never touch

Back

parallel lines

Front

the distance around a shape

Back

perimeter

Front

a straight line that has two endpoints

Back

line segment

Front

a straight line that extends infinitely in one direction

Back

ray

Front

the point where two lines meet

Back

vertex

Front

the area of a rectangle is found by multiplying its length by its width

Back

Area = length × width

Front

the sum of the angles in a triangle is always equal to this number

Back

180 degrees