If the first dose of a tetanus toxoid-containing vaccine is administered before the first birthday, 4 doses are necessary before beginning the 10-year cycle of booster doses. If the first dose is administered after the first birthday, 3 doses are necessary.
Teacher-Authored Instructional Unit Samples. The content specialists in the Standards and Instructional Support office have been working with educators across the state to create instructional units based on the published curriculum overview samples.
STUDENT CONTACT HOURS A âCREDIT HOURâ is the unit of measuring educational CREDIT, usually based on the number of classroom hours per week throughout a term. Students are awarded credit for classes on the basis of the Carnegie unit. This defines a semester unit of credit as equal to a minimum of three hours of work per week for a semester.