This document contains a series of mathematical equations and expressions. It explores various calculations involving addition, subtraction, multiplication and division of numbers such as 2, 3, 6, 10, 100 and 1000. The goal or solution to the series of calculations is not explicitly stated.
1. STAD is a cooperative learning strategy where students work in small diverse groups to help each other master material.
2. Students are assigned to mixed-ability teams of 4-5 students for learning new material.
3. Students take individual quizzes on the material, and rewards are given to teams based on the improvement and achievement of all team members.