| A | B |
|---|
| addend | a number to be added |
| array | objects or symbols displayed in rows and columns |
| difference | the number obtained by subtracting one number from another |
| even number | a number that ends in 0, 2, 4, 6, or 8 |
| factors | numbers that are multiplied to give a product |
| multiple | the product of a number and any whole number |
| odd number | a number that ends in 1, 3, 5, 7, or 9 |
| sum | the result of addition |
| estimate | to find an answer that is close to an exact answer |
| fact family | a group of related facts using the same numbers |
| foot | a customary unit of length (12 inches) |
| is greater then > | symbol to show that the first number is greater than the second |
| is less than < | symbol to show that the first number is less than the second |
| yard | a customary unit of length (3 feet/36 inches) |
