Third graders pictorially represent tenths place with decimal bars and add decimals in the tenths place; students use decimal bars to represent tenths and solve simple addition problems with the tenths place.

Students explore mathematical operations while studying nutrition. For this physical fitness lesson, students explore calories, pulse rate, and the circulatory system. Students use mathematical data to create a healthy physical fitness...

The goal of this collection of lessons is to make middle schoolers more aware of the ways in which they are dependent upon water to maintain their standard of living. Learners compare water use in Lesotho to water use in the United...