Math Vocabulary Week 3

Distance around a 2D shape, found by adding all the sides together (L+L+W+W)

• line

• line segment

• perimeter

• area

The size of the surface or the amount of space inside a boundary (LxW)

• line

• line segment

• perimeter

• area

A straight path the goes on forever in opposite directions

• line

• line segment

• ray

• point

The part of a line that connects two points

• line

• line segment

• ray

• point

A part of a line that has one endpoint and goes on forever in one direction

• line

• line segment

• ray

• point

An exact location in a space

• line

• line segment

• ray

• point

Lines that are the same distance apart and never meet or intersect

• perpendicular lines

• parallel lines

• line

• intersecting lines

Lines that intersect each other at a right or 90 degree angle

• perpendicular lines

• parallel lines

• line

• intersecting lines

Lines that cross at one point

• perpendicular lines

• parallel lines

• line

• intersecting lines

A triangle with two equal sides

• ray

• scalene triangle

• isosceles triangle

• equilateral triangle