Students, this section should be utilized to assist you in understanding the concepts that will be taught in this lesson.
| Addition | Taking two or more numbers (or things) and bringing them together to find the new total sum of the combined numbers. |
| Regrouping | Rearranging groups when the digit doing the subtracting is smaller than the digit being subtracted. |
| Subtraction | Taking away one number from another, reducing the number where it becomes less. |