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# Math Vocab

TermDefinition
Digits numerals 0 through 9
Whole numbers integers; starts at 0 and continues infinitely; not fractions
Odd any number not evenly divisible by 2; starts at number 1
Even numbers evenly divisible by 2; starts at 0
Prime numbers only divisible by 1 and itself; no other factors other than 1 and itself (0 or 1 are not prime)
Composite all other numbers that are not prime; do have more factors than 1 and itself (0 or 1 are not composite)
Operations add, subtract, multiply, divide
Equation a number sentence that contains an equal sign, showing that two expressions are equal (2+4= 2x3)
Expression a combination of numbers, variables, and at least one operation
Evaluate to find the value of an expression; to solve
Zero used as a placeholder
Equal sign means both sides are balanced
Fraction a number that represents part of a whole or part of a set
Decimal a number that has a digit in the tenths place, hundredths place, thousandths place, and beyond
Percent a fractional part of one out of one hundred
Strategies a plan or method used to find answers
Division the inverse of multiplication
Subtraction the inverse of addition
Exponent a symbol written above and to the right of a number to tell how many times it is to be used as a factor
Order of Operations a set of rules to follow when m,ore than one operation is used in an expression (P E M D A S)
Difference answer to subtraction problem
Quotient answer to division problem
Product answer to multiplication problem
Place Value the value a digit has based upon its position in the place value chart
Make sense? what should be asked to test the reasonableness of your answer
Powers of 10 10 being multiplied by itself over and over again; makes a pattern of zeros
Base in an exponent, it is the number being used as a factor
Mixed Number whole number plus a fraction
Improper Fraction fraction whose value is more than one
Proper Fraction fraction whose value is one or less than one
Fractional Whole the value of 1 whole written as an improper fraction Ex: 3/3 = 1
Created by: calimoreno