MassachusettsHISTORY EXPLORERS GRADES 3–8
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Quick glossary
evidence
Information from a source that helps us test a claim.
source
A document, object, image, or account we can examine.
inference
An explanation based on clues; it still needs checking.
migration
Moving from one place to another to live.
immigrant
A person who moves to another country to live.
estimate
An approximate amount, based on available information.
oral history
A recorded interview about someone’s memories and experiences.
community
People connected by a place, relationships, or shared activities.
ancestry
Family origins across generations.
primary source
Evidence created by someone who experienced a time or event.

Massachusetts & Martha’s Vineyard

Mapmaker’s workshop

Choose places to build a route. Measure straight-line distances, then explain what a real journey would need.

Martha’s Vineyard: six townsChilmarkAquinnahOak BluffsWest TisburyEdgartownTisburyAtlantic OceanVineyard Sound123456N05 km*

North is up. Outlines use the site’s Census and Natural Earth geographic data. Pins mark approximate place centers. Connecting lines show straight-line comparisons, not ferry routes, roads, boundaries, or permission to cross land.

How is the distance calculated?

The tool uses latitude and longitude with a spherical-Earth distance formula. Distances are rounded to one decimal kilometer. A real journey may be longer because it follows roads, navigable water, and available services. This is a classroom estimate, not a navigation tool.

Explore the other map layers →Compare historical maps →

Pause and explain

Keep my work →
Explore the six lessons →Image credits & sources →
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