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Math Vocabulary

5th grade math vocabulary

Standard form A common way of writing a number with commas separting groups of three digits starting from the right. Ex. 3, 4, 5, 8
Expanded form A way to write a number that shows the place vlaue of each digit. Ex. 3,000+500+20+3+0.1+0.07
Equivalent decimals Decimals that name the same amount. Ex. 0.7=0.70
Word form A way to write a number using words.
Expanded Notation A way to write a number that shows the digit multiplied times the value of the place the digit is in. EX. (3x1,000) + (5x100)+(2x10)+(3x1)+(9x0.1)+(2z0.01)
Number Line A diagram that represents numbers as points on a line.
Difference Answer to a subtraction problem
Sum Answer to addition problem
Estimate A number close to an exact amount
Expression A mathematical combination of number, operations, and variables
Inverse Operation Operations that undo each other; opposite operations
Factor A number that is multiplied by another number to find a product.
Product The answer to a multiplication problem.
Quotient The answer to a division problem.
Input The number that is put into the "number machine"
Output The number that comes out of the "number machine"
Function Numbers in the "x" position are not repeating
Length The distance from one end of an object to the other end.
Area The space a figure takes up.
Perimeter The distance around a figure or space.
Elapsed Time Amount of time that passes between the start and end of a given period.
Denominator Describes the total number of parts that make one whole
Numerator Describes the number of parts shaded or being represented
Slope Movement of a line of a graph
Y- intercept Where the slope crosses the y- axis
Midpoint The middle spot in a line segment
Mean Average
Median Middle number in a set when ordered from smallest to largest
Mode The number in a set that occurs the most often
Range The difference between the smallest and largest number in a set
Created by: bteague
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