Foundations of Math is a series of sessions, or courses, focused on mathematical content knowledge. It is appropriate for general and special educators. It will support teachers in examining mathematical procedures from a conceptual standpoint and increasing sense-making for learners who struggle with methods reliant on memorization or procedure. This Base 10 course provides a deeper understanding of the Base 10 numeration system used worldwide. Learning and genuinely understanding the Base 10 system will ensure a solid foundation in number sense. Foundations of Math Course 05 of 11

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