Noyce Foundation
Tri-Triangles
Develop an understanding of algebraic sequences through an exploration of patterns. Five leveled problems target grade levels from elementary through high school. Each problem asks young mathematicians to recognize a geometric pattern....
Curated OER
Algebra: Co-ordinates
Students use Cartesian coordinates. In this graphing instructional activity students use simple formulae, interpret coordinates, and create graphical representations. They express their work algebraically.
Curated OER
Hide the Beans
In this subtraction worksheet, students use a spinner to spin to a number between 1 and 9. Students draw that number on the picture of the open hand. Students then find out how many beans are in the other hand by subtracting to complete...
American Library Association
Even and Odd Numbers: Lesson Plans and Sample Problems
If your youngsters are new to numbers, here are several interactive strategies to get them thinking about even and odd numbers. For example, they can count the number of desks, people, etc. in the room and determine if it is even or odd....
Curated OER
Addition and Subtraction in Center Time
First graders complete center activities as they practice their addition and subtraction skills. They listen to Rick Walton's, "How Many, How Many, How Many" before playing games, and completing addition and subtraction worksheets at...