Elementary School Math Books

For example, in elementary school math addition and subtraction are studied at every grade level. First, in kindergarten addition is explored by modeling and using pictures. In the first and second grade addition and subtraction facts are learned through 18; and usually in the second grade strategies are introduced to help with addition and subtraction with two and three digit numbers. In the third and fourth grades comparing, ordering, and rounding numbers is developed to help with addition and subtraction techniques. By the sixth grade addition and subtraction of large numbers is accomplished by using many techniques.