Building on young mathematicians' prior knowledge of three-sided shapes, this lesson series explores the defining characteristics of different types of triangles. Starting with a shared reading of the children's book The Greedy...

Here's a task that is out of this world! Given a description of a fictional cube-shaped planet, scholars answer a set of questions about the planet. They create a two-dimensional map and consider the distances between locations on the map.

The objective of this activity is to find the percent of the area of a two squares overlapping. Mathematicians find the ratio of area for the part that overlaps to the rectangle formed. The final answer is a percent as a rate per 100....

Create a worksheet to assess students knowledge of the characteristics of three dimensional shapes.

[Free Registration/Login Required] This resource has an assortment of teacher-created geometry activities for elementary and primary students. Printable two-dimensional shapes, area and perimeter worksheets, board games, rules and...