| A | B |
| area | the inside region of a shape measured in square units / length x width=area |
| congruent | objects that are the same size and shape |
| line | a straight line that is endless in length |
| line segment | a portion of a line that has a beginning and ending |
| parallel lines | two lines that are the same distance apart - they will never touch and never meet |
| perpendicular lines | two lines that cross and make a right angle |
| similar figures | figures that are the same shape, but are different sizes |
| difference | the answer to a subtraction problem |
| product | the answer to a multiplication problem |
| quotient | the answer to a division problem |