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3rd grade Math voc
Moss's 3rd grade Math voc
| Term | Definition |
|---|---|
| addend | any number that is added in addition |
| angle | where two sides meet in a figure |
| area | the measure of a figure or surface in square units |
| area model | a rectangular model made of square tiles |
| array | a set of objects arranged in rows that each have the same number of objects |
| associative property of addition | the property that states that the addends can be grouped in different ways and the sum will be the same |
| associative property of multiplication | the property that states that the factors can be grouped in different ways and the product will be the same |
| bar graph | a graph that uses horizontal or vertical bars to show data |
| benchmark | a known amount used to make comparisons EX: 1 gram, 1 kilogram |
| capacity | the amount a container can hold |
| commutative property of addition | the property that states that the order of the addends can change and the sum will be the same |
| commutative property of multiplication | the property that states the order of the factors can change and the product will be the same |
| data | information collected about people or things |
| denominator | the bottom number of a fraction that tells how many equal parts are in the whole; 2/3 has a denominator of 3 |
| difference | the result of a subtraction problem |
| distributive property of multiplication | the property that states that one factor in a multiplication problem can be broken into two addends, then each addend can be multiplied by the other factor and, finally, the two products can be added; EX: 4x11=4x(8+3) =(4x8) + (4x3) =32 + 12 =44 |
| dividen | the number being divided |
| division | an operation that can be used to find the number of equal groups or the number of objects in each group |
| divisor | the number by which another number is divided 18/3=6; 3 is the divisor |
| elapsed time | the amount of timw that passes from the beginning to the end of an activity |
| equal groups | two or more groups that have the same number of objects |
| equation | a number sentence that shows that the value on both sides of the equal sign are the same |
| equivalent fractions | two or more fractions that name the same part or amount but have different numerators and denominators |
| estimate | to find about how many or about how mucn |
| even number | a whole number that has a 0,2,4,6,8 in the ones place |
| expanded form | a way of writing a number as a sum of the values of its digits |
| factor | a number multiplied by another number to find a product |
| fraction | a number that names part of a whole or part of a group |
| gram (g) | a metric unit of measure for mass; a feather has a mass of about 1 of these |
| hour (hr) | a unit of time; =60 minutes |
| inverse operations | two operations that can be used to undo one another, such as addition and subtraction or multiplication and division |
| is equal to (=) | a symbol that means that one number is equal to another number |
| is greater than (>) | a symbol that means that one number is less than another number |
| is less than (<) | a symbol that means that one number is less than another number |
| key | the part of a picture graph that tells how much each picture stands for |
| kilogram (kg) | a metric unit of measure for mass; a math book has a mass of about 1 of these |
| line plot | a graph that shows data n a number line |
| liquid volume | the capacity of a container or the amount of liquid a container can hold |
| liter (L) | a metric unit of measure for capacity; a water bottle holds 1 of these |
| mass | the amount of matter in an object |
| milliliter (mL) | a metric unit of measure for capacity; a spoon holds about 5 or these |
| minuend | the number being subtracted from; 15-7=8; the 15 is this |
| minute (min) | a unit of time; 60 of these in 1 hour |
| multiple | a number that is the product of two counting numbers; EX: 4,8,12,16,20 |
| multiple of 10 | a number that is the product of 10 and a counting number EX: 10,20,30,40... |
| numerator | the top number of a fraction that tells how many equal parts of the whole are shaded or counted; 5/8 has 5 for this |
| odd number | a whole number that has a 1,3,5,7,9 in the ones place |
| pattern | an ordered set of numbers, shapes, or objects |
| perimeter | the distance around a figure |
| picture graph | a graph that uses symbols or pictures to show data |
| place value | the value of a digit based on its position in a number |
| polygon | a closed figure with three or more line segments as sides |
| product | the result of multiplying two or more numbers |
| quadrilateral | a polygon with four sides and four angles |
| quotient | the result of a division problem |
| rectangle | a quadrilateral with 4 square corners and opposite sides that are the same length |
| regroup | to replace an amount with another amount of the same vaue; 10 tens regrouped as 1 hundred |
| rhombus | a quadrilateral with all 4 sides the same length |
| round | to find a number close to a given number |
| rule | tells how numbers in a pattern related; EX: 8,12,16,20,24 (add 4) |
| scale | equally spaced numbers that show values on a grapoh |
| square | a quadrilateral with 4 square corners and 4 sides that are the same length |
| standard form | a way of writing numbers using digits 0-9, with each digit having a place value |
| subtrahend | the number being subtracted from another number; 16-9=7; 9 is this number |
| sum | the result of adding two or more numbers |
| unit fraction | one part of a whole when the whole is divided into equal parts |
| unit square | a square with side lengths of 1 unit |
| word form | a way of writing numbers using words 215--EX: Two hundred fifteen |
Created by:
lmoss001
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