NY Social Studies 9.10b

Social Studies9th GradeKey Idea 9.10

The Standard

Transatlantic exploration led to the Encounter, colonization of the Americas, and the Columbian exchange.

New York State K–12 Social Studies Framework

Key Idea 9.10

INTERACTIONS AND DISRUPTIONS: Efforts to reach the Indies resulted in the encounter between the people of Western Europe, Africa, and the Americas. This encounter led to a devastating impact on populations in the Americas, the rise of the transatlantic slave trade, and the reorientation of trade networks.

Teacher's field guide

What This Standard Means

What Students Need to Do: Students map the movement of crops, animals, and diseases between the Americas, Europe, Africa, and Asia. They use population evidence to explain growth in Europe and China and sharp decline among Indigenous peoples.
What Mastery Looks Like: Students correctly identify what moved in each direction and locate those movements on a map. They connect new food crops to population growth and disease, violence, and forced labor to population loss.
Common Misconceptions: Students may assume every item moved from Europe to the Americas or that exchange affected all regions equally. They may explain Indigenous population decline only through warfare, overlooking epidemics and colonial labor systems.
How to Assess It: Give students a blank Atlantic map and ask them to place potatoes, horses, and smallpox, then explain one demographic effect in each hemisphere.

Lesson moves

Ways to Teach It

Give groups commodity cards and yarn to build exchange routes on a large floor map.
Ask students to write which had greater demographic effects, new crops or disease, using two pieces of evidence.
Run a card sort where students match crops, animals, and diseases to their origins, destinations, and population effects.
Have students trace five ingredients from a school lunch to their regions of origin before transatlantic contact.

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