By U.S. History Team SHS Social Studies Dept.

1. U.S. History/ Math Bellringer – Day 2 – Mean of Casualties in 3 Major Battles of the American Revolution By U.S. History Team SHS Social Studies Dept.

2. Bellringer – Day 2 – Mean of Casualties in 3 Major Battles of the American Revolution • Academic Language • Data Set: a group of information put together for a reason • Mean: Average • Add up all important information and divide it by the number of things added up • Casualties: Number of service people who stopped participating because of death, illness, being captured or injury • Battle of Lexington and Concord • 1st battle of the American Revolution • Battle of Saratoga • Considered the “turning point” in the American Revolution • French joined forces with colonists American colonists’ victory • Helped out tremendously in war effort • Battle of Yorktown • Final battle of the American Revolution where British General Cornwallis surrenders to General George Washington

3. Bellringer – Day 2 – Mean of Casualties in 3 Major Battles of the American Revolution • Using the data set about the battles of Lexington and Concord, Saratoga, and Yorktown, what was the mean of casualties for the British and the mean of casualties for the American Colonists?

4. Bellringer – Day 2 – Mean of Casualties in 3 Major Battles of the American Revolution • Students SHARE OUT!

5. Bellringer – Day 2 – Mean of Casualties in 3 Major Battles of the American Revolution • How the U.S. History Team would do it • American Colonists first: • 88+130+252 = 470 • 470/3 = 156.67 • British • 300+6,570+8,642 = 15,512 • 15,512/3 = 5,170.67 • The Americans lost approximately 157 casualties on average and the British lost approximately 5,171 casualties on average in the three major battles of Lexington and Concord, Saratoga, and Yorktown.