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buckle down math
| Term | Definition |
|---|---|
| Zero Property | Anything multiplied by zero |
| Distributive Property | Multiplying a sum (or difference) by a number is the same as multiplying each number (or difference) by the number and adding (or subtracting) the products. |
| Identity Property | the properties that state that the sum of any number and zero is that number and the product of any number and 1 is that number. |
| Associative Property of addition | Addends can be regrouped and the sum remains the same 1+(3+5)=(1+3)+5 |
| Commutative Property Addition | the order of addends can be changed and the sum remains the same. 3+7=7+3 |
| Associative Property of Multiplacation | factors can be regrouped and the product remains the same. 2*(4*10)=(2*4)*10 |
| Commutative Property of Multiplacation | the order of factors can be changed and the product remains the same. 3*5=5*3 |
| Prime Number | a number with the factors one and itself |
| Composite Number | a whole number greater than one with more than two factors |
| Acute angle | an angle more than zero but less than 90 |
| Obtuse Angle | an angle whose measure is between 180 and 90 |
| strait angle | an angle measuring 180 |
| acute triangle | a triangle whose angles are acute |
| equilateral triangle | a triangle whose sides all have the same length |
| isosceles triangle | a triangle with two sides that are the same length |
| obtuse triangle | a triangle in which one angle is an obtuse angle |
| right triangle | a triangle in which one angle is a right angle |
| scalene triangle | a triangle in which no sides have the same length |
| Congruent Figures | Figures that have the same size and shape |
| cube | a solid figure with six flat surfaces called faces.all the faces are squares |
| face | a flat surface of a polyhedron. |
| edge | a line segment where two faces meet in a solid figure |
| average | the # found by adding all the data and dividing by the # of data. also called the mean. |
| area | The number of square units needed to cover a surface of figure |
| bar graph | a graph that uses bars to show and compare data. |
| capacity | The volume of a container measured in liquid units |
| celcius | a unit of measure for measuring temperature in the metric system. |
| circle | A closed plane figure made up of all the points that are the same distance from a given point |
| circle graph | a graph in the shape of a circle that shows how all (100%) of set data has been divided into parts |
| circumference | The distance around a circle |
| common denominators | a # that is the denominator of two or more #'s. |
| common factor | A number that is a factor of two or more given numbers |
| common multiple | a # that is a multiple of two or more #'s. |
| cone | A solid figure with one circular base; the points on the circle are joined to one point outside the base |
| congruent figures | figures that have the same size and shape. |
| cubed | A name for a number to the third power |
| cup | a customary unit of capacity. 1 cup equals 8 fluid oz. |
| data | Collected information |
| decimal | a # with 1 or more places to the right of a decimal point |
| difference | The number that results from subtracting 1 # from another |
| degree | a unit of measure for angles and temperature |
| denominator | the # below the fraction bar in a fraction |
| digits | the symbols used to show numbers:0,1,2,3,4,5,6,7,8,9 |
| divedend | the number to be divided |
| divisor | the number used to divide another number |
| edge | a line segment where two faces meet in a solid figure. |
| elapsed time | the difference between two times |
| equally likely | having the same chance of occurring. |
| equal ratios | ratios that can be represented by equivalent fractions. |
| equation | a # sentence that uses an equal sign to show that two expressions have the same value.9+3=12 |
| pi | the ratio of the circumference of a circle to its diameter.Pi is approximately 3.14 or 22/7 |
| estimate | to give an approximate value rather than an exact answer. |
| evaluate | to find the value of an expression. |
| expanded form | a way to write a number that shows the place value of each digit. |
| exponent | a number that tells how many times the base is used as a factor. |
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