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# Math Vocabulary

TermDefinition
Digits The symblos used to show numbers:0,1,2,3,4,5,6,7,8,9,
Standard form A common way of writing a number with commas separting groups of three digits starting from the right. Ex. 3,458
Value The number a digit represents, which is determined by the position of the digit.
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)
Tenths One part in ten equal parts.
Hundredths One part in a hundred equal parts.
Decimal Point A dot separating the ones and the tenths place in a decimal number.
Decimal A number that uses place value and a decimal point to show the value of a number.
Number Line A diagram that represents numbers as points on a line.
Difference Answer to a subtraction 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
Addition An operation that tells how many things there are when two sets are put together or combined
Subtraction An operation that takes away one quantity from another
Operation Addition, Subtraction, Multiplication, and Division
Factor A number that is multiplied by another number to find a product.
Product The answer to a multiplication problem.
Multiply/Multiplication To find the product of two or more numbers.
Division/Divide The operation of repeated subtraction of the same number.
Divisor The amount used to divide by in a division problem.
Dividend The amount to be divided in a division problem.
Remainder The quantity that is left over when dividing.
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"
Position The input on the table. The position is not written, you can number the position of each number.
Value of a number The output on the table. The values are the numbers listed.
Numerical Expression Shows the process to change the input to the output.
Created by: bteague

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