Praxis Elementary Education Math 5003 Rated A+

Praxis Elementary Education Math 5003 Rated A+ Natural Numbers The set of numbers 1, 2, 3, 4, ... Also called counting numbers. Whole Numbers Natural numbers ( counting numbers) and zero; 0, 1, 2, 3... Negative Numbers Numbers less than 0; opposite of natural numbers Ratio Comparison of two numbers generally written as fractions Numerator the top number in a fraction Denominator The bottom number in a fraction Rational Number A number that can be written as a ratio of two integers Intergers Rational numbers than can be written over 1; whole numbers and their opposites Irrational Numbers Numbers that cannot be expressed as a ratio of two integers. Their decimal expansions are nonending and nonrepeating. Base ten number system A place value number system in which ten digits, 0 through 9, are used to represent a number and the value of each place is 10 times the value of the place to its right; the value of any digit in the number is the product of that digit and its place value Addition Combining of numbers Subtraction Taking away one number from another Minuend A number from which another number is subtracted. Subtrahend A number that is subtracted. Difference the answer to a subtraction problem Sum The answer to an addition problem Addend A number that is added Multiplication Combining numbers with itself a certain number of times Factor A number that is multiplied Product The answer to a multiplication problem Division Splitting a number into a certain number of parts Dividend A number that is divided by another number. Divisor The number by which another number is divided. Quotient The answer to a division problem Order of Operations PEMDAS