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Math Topic 3/4

Vocabulary Words for Math Topic 3/4

QuestionAnswer
prime number A whole number greater than 1 that has exactly two factors, itself and 1.
composite number A whole number greater than 1 with more than 2 factors.
prime factorization The process of writing a whole number as a product of its prime factors.
factor tree A diagram that shows the prime factorization of a composite number.
multiple The product of a given whole number and another whole number.
underestimate The result of using lesser numbers to estimate a sum or product. The estimate is smaller than the actual answer.
partial products Product found by breaking one of two factors into ones, tens, hundreds, and so on, and then multiplying each of these by the other factor.
overestimate The result of using larger numbers to estimate a sum or product. The estimate is larger than the actual answer.
exponent A number that tells how many times the base is used as a factor. 3 Example: 10 = 10x10x10; the exponent is 3 and the base is 10.
base The number that is multiplied by itself when raised to a power. 3 Example: In 5 , the 5 is the base.
expanded form (exponents) A way to write a number involving exponents that shows the base as a factor.
exponential notation A way to write a number using a base and an exponent.
squared A name for a number to the second power.
standard form A common way of writing a number with commas separating groups of three digits starting from the right. Example: 3,458
cubed A name for a number to the third power.
divisor The number used to divide another number.
dividend The number to be divided.
remainder In division, the number that is left after the division is complete.
quotient The answer to a division problem.
factor pair A pair of numbers whose product equals a given number.
divisible A number is divisible by another number if there is no remained after dividing.
Associative Property of Multiplication Factors can be regrouped and the product remains the same. 2x(4x10)=(2x4)x10
Commutative Property of Multiplication The order of factors can be changed and the product remains the same. Example: 3x5=5x3
Zero Property of Multiplication The product of any number and 0 is 0.
Identity Property of Multiplication The product of any number and 1 is that number.
product The number that is the result of multiplying two or more factors.
factors Numbers that are multiplied to get a product.
Created by: preschool005