Factor
the numbers you multiply to get the product
Divide
To separate into equal groups
Estimate
To find an answer that is CLOSE to the exact amount.
Round
To replace a number with another number that is about how many or how much.
Period
each group of three digits in a multi-digit number, usually separated by commas or spaces.
Product
The result of multiplying factors
Dividend
The number that is to be divided into in a division problem.
Compatible numbers
Numbers that are easy to compute mentally.
Five or more:
up the score!
Standard Form
A way to write numbers by using the digits 0-9, with each digit having a place value.
Associative Property of Multiplication
The property that states that when the order of two factors is changed the product remains the same.
Divisible
A number is divisible by another number if is the quotient is a counting number and the remainder is zero.
Place value
The value of a digit in a number based on the location of the digit.
Four or less:
Let it rest!
Fact Family
A set of related multiplication and division equations, or subtraction and addition equations.
Regroup
To exchange amounts of equal value to rename a number. Also called "carrying" in multiplication and addition.
Quotient
The number, not including the remander, that results from dividing.
Multiple
The product of a number and a counting number is called a multiple of the number.
The inverse operation of addition is:
subtraction
Fraction
A number that names a part of a whole or part of a group.
Commutative Property of Multiplication
The property that sates that you can group factors in different ways and still get the same Product.
Remainder
The amount left over when a number cannot be divided equally.
Equal Groups
Groups that have the same number of objects.
The inverse operation of division is:
multiplication
Venn Diagram
A diagram that shows the relationships among sets of things.