It's always nice to hear from friends. Your budding mathematicians read letters from pen pals and convert customary measurements into metric units and vice versa. They also write letters to an imaginary pen pal using metric units.

Consider the preponderance of evidence when making a verdict. The third of five lessons in Unit 1: The Big Climate Change Experiment focuses on the evidence for climate change. Learners study graphs, diagrams, and pictures regarding...

Students measure distances using parallax. In this math lesson, students explain how this method helped astronomers with their studies of the solar system. They determine the length of their arm using parallax and compare it with other...

First graders identify combinations and patterns in this lesson. They manipulate an alien picture with 10 arms - 5 red and 5 blue. They use an individual alien picture to identify as many combinations as possible. Students compare...

Students investigate solids. In this geometry lesson, students use toothpicks and gum drops to solve problems. They create visuals to help them see what is happening to the shapes.

Students identify the various species of birds found in the wetlands. Students observe and record the key skills involved in scientific inquiry. Students handle and interpret data gathered on a field trip which reveals patterns and...

Geometry adventurers study circumference of a circle as they listen to Sir Circumference and the Dragon Pi, by Cindy Neuschwander. In groups, they use string to measure the diameter and circumference of circular objects and...

Learners examine dinosaur footprints and compare them to the shape of elephant footprints and to the size of their own footprints.