NEED HELP! GIVING 20 PTS! The most important component of a physical structure is a solid foundation on which the rest of the structure sits. A strong foundation allows buildings to last longer and withstand many outside forces. Just like the foundation of a building, a strong foundation for algebra is critical for success and allows you to extend your understanding to more complex mathematical and real-world situations. What are some of the foundational, or key, concepts of algebra that you have learned so far?