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Cross the River, Patriot!
Nowadays, if you want to cross just about any major American river, all you need to do is find the bridge. But in 1776, as our American colonists geared up for full-scale war, it was not that easy! In fact, some of the most spectacular moments of the war involved sneaky water crossings, whether on the Hudson River, where soldiers strung a huge chain near what is now West Point, or the Delaware River, where Washington made his famous crossing.
So this Fourth of July, try this fun, history-inspired math and logic puzzle for your kids to play to celebrate the holiday and our country's history.