Curated OER
President Jefferson's Cipher: Cracking the Code
Students examine the journey out west by Lewis and Clark. Using a cipher from President Jefferson, they solve a code he gave to the explorers before setting out on their exploration. They share his message with the class and state...
Curated OER
Punctuation: Periods. Commas,
Color-coded slides model for viewers the various uses of the comma and the period. The rule is presented and followed by several examples. Consider extending the lesson with a practice exercise.