level V ┊ 1397 words ┊ ◄)) 
Informational (nonfiction) 980L
Every time we purchase goods and services, we are taking part in the push and pull between supply and demand. Supply and Demand introduces students to the principles and relationships that help explain why things cost what they cost. Relatable examples will help students better understand the foundations of economics. The book can also be used to teach students how to determine cause-and-effect relationships and to identify root words. The book and lesson are also available for Levels S and Y.
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