| A | B |
|---|
| polygon | a closed flat figure with straight lines |
| quadrilateral | a polygon with four sides |
| closed figure | a figure that begins and ends at the same point |
| circle | a flat round shape |
| right angle | a 90 degree angle - shaped like a capital L |
| trapezoid | a quadrilateral with one pair of parallel sides |
| parallelogram | a quadrilateral with 2 pairs of parallel sides |
| rectangle | a parallelogram wtih four right angles |
| square | a rectangle with 4 equal sides |
| parallel lines | lines that never cross and are always the same distance apart |
| line of symmetry | an imaginary line that divides a shape into 2 exactly alike parts |
| sum | the answer to an addition problem |
| difference | the answer to a subtraction problem |
| product | the answer to a multiplication problem |
| quotient | the answer to a division problem |
| mutliple | the prodcut of a given number and another whole number |
| estimate | a number close to an exact number |
| numerator | the top number of a fraction telling how many pieces of the whole are counted |
| denominator | the bottom number of a fraction telling how many pieces the whole has been divided into |
| perimeter | the distance around a shape |
| area | the space covered by the inside of the shape (length times width) |
