| A | B |
|---|
| addend | any of the numbers that are added |
| addition | process of finding the total number of items when two or more groups of items are joined. |
| angle | A figure formed where two line segments cross or meet |
| area | the number of square units needed to cover the surface of a figure |
| bar graph | a way to show information that uses bars to stand for data |
| benchmark number | numbers like 10, 25, 50, or 100 that are used to help make estimates |
| capacity | the amount a container can hold when filled |
| cone | a solid pointed figure that has a flat, round base |
| congruent figures | figures that are the same size and shape |
| corner | a place where 2 or more edges meet |
| cube | a solid figure with the six congruent square faces |
| cup | a customary unit used to measure capacity |
| centimeter | a metric unit that is used to measure length |
| cylinder | a solid or hollow object that is shaped like a can |
| decimal | a number that uses place value and a decimal point to show tenths, hundredths, and so on |
| denominator | the number below the bar in a fraction that tells the total number of equal parts or groups into which the whole or group has been divided |
| difference | the answer in a subtraction problem |
| dividend | the number that is to be divided in a division problem |
| divisor | the number that divides the dividend |
| edge | the line segment where two faces of a solid figure meet |
| fact family | a set of related addition and subtraction, or multiplication and division number sentences |
| factor | a number that is multiplied by another number to find a product |
| flip | a move that involves flipping a figure across a line of symmetry |
| foot | a customary unit used to measure length or distance |
| fraction | a number thaqt names part of a whole or part of a group |
| gram | a metric unit that is used to measure mass. |
| > | greater than, a symbol used to compare two numbers with the greater number given first |
| inverse operations | operations that undo each other such as addition and subtraction |
| key | used on a pictograph to tell how many each picture stands for |
| < | less than,a symbol used to compare two numbers with the lesser number given first. |
| line of symmetry | a line that divides a figure into two congruent parts |
| liter | a metric unit that is used to measure capacity |
| meter | a metric unit that is used to measure length or distance |
| mile | a customary unit that is used to measure lenght or distance |
| minute | measures short amounts of time. 60 of them in one hour |
| plane | a flat surface that goes on and on |
| product | the answer in a multiplication problem |
| quotient | the answer in a division problem |
| rectangular prism | a solid figure in which all six faces are rectangles |
| remainder | the number that is left over after dividing |
| right angle | a special angle. The corner of a sheet of paper |
| scale | the numbers on a bar graph that help you read the number each bar shows |
| point symmetry | when a figure can be turned about a central point and still look the same |
| slide | a movement of a figure to a new position without turning or flipping it |
| mixed number | a number that has a whole number and a fraction |
| mixed decimal | a number that is made up of a whole number and a decimal |
| numerator | the number above the bar in a fraction. It tells how many of the equal parts of the whole are being considered |
| odd number | whole number that has 1,3,5,7,9 in the ones place |
| opposite operations | operations that undo each other. Addition and Subtraction, Multiplication and Division |
| ordered pair | a pair of numbers used to locate a point on a grid |
| perimeter | the distance around a figure |
| pictograph | a graph that uses pictures to show and compare information |
| sphere | any round object whose curved surface is the same dsitance from the center to all its points, like a ball |
| sum | answer to an addition problem |
| symmetry | when one half of a figure looks like the mirror image of the other |
| turn | a move that involves rotating a figure |
