| A | B |
| face | flat surface of a solid figure |
| quotient | the answer in a division problem |
| dividend | the number being divided in a division problem |
| cylinder | a solid shape with two faces that are congruent circles |
| cone | a solid shape with one circular face and a curved surface that comes to a point |
| area | the nimber of square units needed to cover a region |
| obtuse angle | an angle measuring greater than a right angle |
| milliliter | metric unit of capacity used to measure small amounts |
| liter | a metric unit of capacity |
| kilogram | a metric unit used to measure mass of large objects |
| divisor | the number you are dividing by in a division problem |
| parallel lines | two or more lines in the same plane that do not meet or intersect |
| triangle | a polygon with 3 sides and 3 vertices |
| rectangle | a polygon with opposite sides parallel and 4 right angles |
| fact family | a set of related facts using the same numbers |
| mixed number | a number containing a whole number and a fraction |
| triangular prism | a prism whose bases are triangles |
| triangular pyramid | a solid figure whose bases are triangles |
| ray | part of a line with one endpoint that goes on without end in the other direction |
| round | to bring a number up to the nearest ten |
| gram | a metric unit used to measure mass in small units |
| intersecting lines | lines that meet at one point |
| edge | line segment formed where 2 faces meet |
| addend | numbers that are added to find a sum |
| array | a set of items arranged in rows and columns |
| congruent | figures that have the same size and shape |
| cube | a solid shape in which all the faces are congruent squares |
| acute angle | an angle measuring less than a right angle |
| multiple | the product of a whole number and any other number |
| line of symmetry | a line on which a figure can be folded so both parts are congruent |
| line segment | part of a line with 2 endpoints |
| equivalent fractions | fractions that name the same amount |
| equation | a number sentence with an equal sign |
| line | a straight path extending in 2 directions |
| elapsed time | the amount of time that passes from one time to another |
| decimal | a number with digits to the right of the decimal point |
| angle | a figure that is formed when 2 rays meet at the same point |
| bar graph | a chart that uses bars to show and compare |
| capacity | the amount a container can hold when filled |
| compare | a way to identify differences in whole numbers or factions by using symbols |
| multiplication facts | facts that can be remembered by using patterns |
| number line | a line on which numbers are assigned to points |
| ounce | customary unit used to measure weight |
| probability | possible result |
| perpendicular lines | 2 lines that form right angles where they meet or intersect |
| reflection | movement of a figure by flipping it over a line of reflection |
| right angle | an angle formed by a square corner |
| pound | a customary unit used to measure weight |
| estimate | a number close to an exact number |
| rotation | movement of a figure by turning it around a point |
| square pyramid | a solid figure with a square base and four faces that are triangles with a common vertex |
| rectangular prism | a solid figure with 6 faces that are rectangles |
| hexagon | polygon with six sides |
| sphere | a solid figure shaped like a round ball |
| polygon | a flat, closed plane shape made up of 3 or more sides |
| octagon | a polygon with eight sides and vertices |
| pentagon | polygon with 5 sides |
| quadrilateral | a polygon with 4 sides and 4 vertices |
| vertex | the point where 2 edges meet |
| perimeter | the distance around an object |
| translation | movement of a figure by sliding it to a new location |
| metric units of mass | units used to measure mass in grams and kilograms |
| customary units of weight | units used to measure weight in ounces and pounds |