| A | B |
|---|
| right angle | an angle that forms a corner and measures 90 degrees |
| obtuse angle | an angle that measures greater than 90 degrees |
| acute angle | an angle that measures less than 90 degrees |
| benchmark | numbers like 10, 25, 50, and 100 used to help make estimates |
| factor | a number multiplied by another number to find a product |
| edge | is formed when 2 faces of a solid figure meet |
| base | a face of a solid figure by which the figure is measured or names |
| interval | distance between the numbers on the scale of a graph |
| similar figures | figures that have the same shape but may not have the same size |
| congruent figures | figures that have the same size and same shape |
| line symmetry | line divides a figure so that the two parts of the figure are congruent |
| mass | the measure of quanity of an object |
| mode | the number that occurs most often in a list of data |
| multiple | a number that is the product of a given number and another whole number |
| mean | one way to find a number that represents all the numbers in a set, an average |
| median | the middle number in an ordered series of numbers |
| scale | series of numbers placed at fixed distances on a graph |
| rotation | figure turned around a point |
| translation | when a figure slides in any direction |
| reflection | when a figure is flipped across a line |
| ordered pair | a pair of numbers used to locate a point on a grid |
| parallel lines | lines in a plane that stay exactly the same distance apart |
| perpendicular lines | 2 lines that intersect to form right angles |
| perimeter | the distance around a figure |
| area | the number of square units needed to cover a surface |
| volume | the measure of space a solid figure occupies |
| numerator | the top number of a fraction |
| denominator | the bottom number of a fraction |
| bar graph | a graph that compares facts about groups |
| line graph | shows how data changes over time |
| circle graph | graph in the shape of a circle that shows fractions, percent, or decimals as part of a whole |
