Term
|
Definition
| A group of related facts using the same set of numbers. |
|
|
Term
|
Definition
| In a number, a group of three digits, seperated by commas, starting from the right. |
|
|
Term
|
Definition
| A way to write a number showing only its digits. |
|
|
Term
|
Definition
A number written as the sum of the values of its digits. Example: 40,000 + 2,000 + 100 + 50 +2 |
|
|
Term
|
Definition
A number written only in words. Example: four thousand, six hundred, fifty-one. |
|
|
Term
|
Definition
| One part of 100 equal parts of whole. |
|
|
Term
|
Definition
| One of ten equal parts of a whole. |
|
|
Term
|
Definition
A dot used to seperate dollars from cents or ones from tenths in a number. |
|
|
Term
|
Definition
A mental math method used to rewrite a number as the sum of numbers to form an easier problem. example: 102 x 3 = (100 x 3) + (2 x 3) = 300 + 6 = 306 |
|
|
Term
|
Definition
Adding and subtracting the same number to make the sum or difference easier to find. |
|
|
Term
| Associative Property of Addition |
|
Definition
Addends can be regrouped and the sum (answer) remains the same. Example: 3 + 2 = 2 + 3 |
|
|
Term
|
Definition
Counting up from the smaller number to find the difference of the two numbers. Example: 16 - 9= ___1_2__3__4_5__6_ 7_ 9 10 11 12 13 14 15 16 16-9=7 |
|
|
Term
| Identity Property of Addition |
|
Definition
The sum, answer, of any number and zero is that number. Example: 5 + 0 = 5 9 + 0 = 9 |
|
|
Term
| Cummutative Property of Addition |
|
Definition
Numbers can be added in any order and the sum remains the same. |
|
|
Term
|
Definition
Two operations that undo each other. Addition and subtraction are inverse operations. Multiplication and division are inverse opoerations. |
|
|
Term
|
Definition
A way of displaying objects in rows and columns. 5 x 4 = X X X X X X X X X X X X X X X X X X X X |
|
|
Term
|
Definition
| The product of any two hole numbers |
|
|
Term
|
Definition
| The answer to a multiplication problem. |
|
|
Term
|
Definition
The numbers multiplied together to find a product. example: 3 x 6 = 18 3 and 6 are the factors. |
|
|
Term
| Identity Property of Multiplication |
|
Definition
The product of any number and one is that number. Example: 5 x 1 = 5 |
|
|
Term
| Commutative Property of Multiplication |
|
Definition
| Numbers can be multiplied in any order and the product remains the same. |
|
|
Term
|
Definition
Breakng apart problems into two simplier problems. Example: 3 x 21= (3x20) + (3x1) = |
|
|
Term
Zero Property of Multiplication |
|
Definition
The product of any number and zero is zero. example: 1000 x 0 = 0 55 x 0 = 0 |
|
|
Term
|
Definition
The number to be divided in a division problem. example: 40 divided by 4 = 10 40 is the dividend |
|
|
Term
|
Definition
The number that results from the division of one number by another number. Example: 40 divided by 4 = 10 10 is the quotient. |
|
|
Term
|
Definition
The number by which another number is divided. example: 40 divided by 4 = 10 4 is the divisor. |
|
|
