| A | B |
|---|
| addend | a number to be added to another number |
| addition | an operation that tells how many in all when you put together two or more numbers |
| angle | a figure formed when two rays meet at the same endpoint |
| a.m. | a way to indicate the time from 12 midnight to 12 noon |
| area | the number of square units needed to cover a surface |
| bar graph | a graph that shows information by using bars of different lengths |
| capacity | the amount a container can hold |
| cylinder | a space figure with two faces that are circles |
| circle | a closed curved figure |
| cone | a space figure whose base is a circle |
| congruent figures | figures that have the same shape and size |
| cube | a space figure with six square sides all the same |
| data | information |
| databank | a place where data is stored |
| decimal | a number that uses place value and a decimal point to show tenths and hundredths |
| denominator | the number below the bar in a fraction ; it tells the number of parts in all |
| difference | the number obtained by subtracting one number from another |
| digit | symbol used to write numbers |
| dividend | a number to be divided |
| divisible | a number is divisible by another number if the remainder is zero after dividing |
| division | an operation on tow numbers that tells how many ses or how many in each set |
| divisor | the number by which the dividend is divided |
| equal = | symbol shows has the same value as |
| equivalent fractions | different fractions that name the same amount |
| estimate | to find an answer that is close to the exact number |
| even number | a number that ends in 0,2,4,6,or 8 |
| expanded form | a way to express a number example; 300plus 60plus4 equals 364 |
| fact family | related facts using the same numbers |
| factors | numbers that are multiplied to give a product |
| flip | to move a figure over a line |
| fraction | a number that names part of a whole or a set |
| graph | a drawing used to show information by uising lines, bars, or pictures |
| greater than > | symbol used to show the first number is greater than the second |
| less than< | symbol used to show that the first number is less than the second |
| line | a straight path that goes in two directions without end |
| line segment | a straight path that has two endpoints |
| line of symmetry | a line on which a figure can be folded so that both sides match |
| mass | a measurement that indicates how much of something there is |
| median | when a set of numbers is arranged from least to greatest the middle number |
| metric system | a system of measurement |
| mixed number | a number that has a whole number and a fraction |
| multiplication | combination of two numbers (factors)to give one number |
| numerator | the number above the bar in a fraction |
| odd number | number that ends in 1,3,5,7,or 9 |
| order property | when adding or multiplying, the order of the numbers does not affect the result |
| ordinal number | a number used to tell order or position |
| perimeter | the distance around a closed figure |
| pictograph | a graph that shows information by using picture symbols |
| place value | the value given to the place a digit occupies in a number |
| plane figure | a figure that lies on a flat surface |
| p.m. | a name for time between 12 noon and 12 midnight |
| polygon | a closed figure with straight sides |
| probability | the chance of something happening |
| product | the result of multiplication |
| pyramid | a space figure that is shaped by triangles on a base |
| quotient | the result of division |
| range | the differene between the greatest and least numbers in a set of numbers |
| ray | a plane figure with one endpoint that goes forever in one direction |
| rectangle | a plane figure with four sides and fourn equal sides. The opposite sides are the same length |
| remainder | the number left over after dividing |
| right angle | an angle that forms a square corner |
| rounding | finding the nearest ten, hundred, thousand, and so on |
| skip-count | counting by twos, threes, fours, and so on |
| slide | to move a figure along a line |
| space figure | a figure that is not flat but has volume, like a rectangular prism |
| sphere | a space figure that has the shape of a round ball |
| square | a plane figure that has four equal sides and four square corners |
| subtraction | an operation on two numbers to find the difference |
| sum | the result of addition |
| triangle | a plane figure with three sides and three corners |
| turn | to move a figure in a curved path |
| unit | an amount or quantity used as a standard of measurement |
| volume | number of cubic units that fit inside a space figure |
| weight | a measurement that tells how heavy an object is |
| whole number | any number such as 1,2,3,4,5,...etc. |
| zero property | when adding zero to or subtracting zero from a number, the result is the number |
