| A | B |
| denominator | number below the bar in a fraction |
| numerator | number above the bar in a fraction |
| difference | answer to a subtraction problem |
| sum | answer to an addition problem |
| quotient | answer to a division problem |
| product | answer to a multiplication problem |
| even numbers | 2 4 6 8 10 12 14 etc |
| odd numbers | 1 3 5 7 9 11 13 etc |
| factors | numbers that are multiplied to get a product |
| addends | numbers that are added to get a sum |
| hexagon | polygon with 6 sides |
| octagon | polygon with 8 sides |
| pentagon | polygon with 5 sides |
| triangle | polygon with 3 sides |
| quadrilateral | polygon with 4 sides |
| parallel lines | stay the same distance apart from each other |
| perpendicular lines | meet or cross each other to form right angles |
| perimeter | distance around a closed figure |
| area | number of square units needed to cover a figure |
| centimeter | metric unit for measuring length |
| inch | standard unit for measuring length |
| 12 | number of inches in a foot |
| 26 | number of inches in a yard |
| estimate | give an answer CLOSE to the right answer |
| cube | 3-dimensional figure with 6 square sides |
| mean | average found when sum of numbers is divided by number of addends |
| median | middle number in a group of numbers arranged numerically |
| mode | the number occuring most often in a collection of data |
| line of symmetry | can be folded so that its 2 halves match exactly |
| congruent | figures have the same size & same shape |
| similar | figures have the same shape but different size |
| sphere | 3-dimensional figure shaped like a round ball |