| A | B |
|---|
| The word "difference" means | Subtract |
| Number being subtracted is called the | Subtrahend |
| Number being subtracted from is called? | Minuend |
| What is borrowing? | Renaming digits in the minuend using place values |
| The easiest way to check a subtraction problem is to | Add the answer to the bottom number and see if you get the top number |
| What is an equation? | A number sentence with an equal sign |
| What is a variable equation? | An equation with a letter representing an unknown value. |
| Unknown values are frequently represented by the letter | X |
