Illustrative Mathematics
Operations on the Number Line
A different way to look at integers is on this number line with variables in place of numbers. Learners are to look at different expressions and describe why they think the answer would be positive or negative, depending on the location...
Curated OER
Exploratory Teaching
Students participate in an exploratory teaching program. Individually, they identify the positives and negatives of being a teacher and how they effect the students. They use the internet to research the history of the profession and...