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Math Vocab
Term | Definition |
---|---|
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) |
Sum | answer to addition problem |
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 |