New Pen at the Zoo

Investigate polygons from rectangles to triangles to octagons. Each level of the five-problem series targets a different grade level. Beginning with the level A problem, learners examine the relationship between area and perimeter by...

Explore the meaning of scale and proportion with a set of five activities that examines the topic from elementary through high school. The first lessons explore ratio by examining pictures of different sizes. The next three activities...

Imagine a packet packed with reading resources designed for every grade and reading level. Imagine worksheets, graphic organizers, flash cards, activities, and exercises. This is just such a packet and is well worth downloading, 

Third grade mathematicians match the correct answer to eight word problems that ask them to add and subtract three-digit numbers. Beware the typos and the complex wording of the problems.

Students use maps, scales, and describe locations in order to learn about spatial sense. In this spatial sense lesson plan, students participate in many activities for this spatial sense unit that should last throughout the year.

Students investigate various aspects of the human body  in this imaginative Tree House Detective episode about the biological biosphere. In a series of They take measurements, analyze data, and use technology. The lessons revolve around...

Young scholars utilize their own drawings of spiders to analyze and sort the attributes that each student drew.