Learning about proportions through measuring and mapping distances is the focus of this real-world math instructional activity that doubles as an activity. Mathematicians complete a course designed to measure and map locations in order...

Students observe number sense by participating in an estimation activity. In this blood cells lesson, students identify the importance of blood cells in the human body and discuss how tiny they are. Students utilize paper dots as a...

Students discover scales for both the solar bodies' relative sizes and their distances from the sun. They find equatorial circumference and volumes of their solar bodies. Students apply estimation strategies and proportioanl reasoning to...

Fourth graders use colored beads in two problems and explore the use of proportional reasoning as a problem solving method. Working Students, in groups, explain their reasoning strategies orally, and through drawings.