Lesson Plan
Curated OER

Coordinate Planes

For Teachers 4th
Identifying the location of ordered pairs on coordinate planes is the focus in the math lesson presented here. In it, 4th graders are introduced to coordinate pairs, the x/y axis, and the techniques associated with this type of graphing....
Lesson Plan
Alabama Learning Exchange

Polygons-Changing Area Versus Changing Perimeter

For Teachers 5th - 8th Standards
Investigate the area and perimeter of polygons in this geometry lesson. Young geometers use grid paper to draw a quadrilateral and calculate its area and perimeter. They also read The Greedy Triangle to identify the changing shape of...
Lesson Plan
Curated OER

Plenty of Pythagoras

For Teachers 5th - 8th
Using a twelve foot knotted rope, students form a 3-4-5 right triangle. Following a discussion of observations about the lengths of the sides of the triangle, students use grid paper, scissors and a centimeter ruler to draw and measure...
Activity
Curated OER

Finding the Area of Polygons

For Teachers 3rd Standards
Third graders are exposed to finding the area of polygons by decomposing figures and recomposing them into rectangles. This strategy allows children to expand on their prior knowledge of constructing shapes by rearranging parts into...
Lesson Plan
Curated OER

ExplorA-Pond: 6th Grade Area and Random Number Tables

For Teachers 6th
Sixth graders estimate surface area of a pond using a random number table.
Lesson Plan
Curated OER

Introduction to Slope Fields

For Teachers 11th - 12th
Students plot slope fields. In this introduction to slope fields lesson, students plot 12 slope fields for given differential equations.
Lesson Plan
Curated OER

Square Numbers Closure Activity

For Teachers 3rd - 7th
Students discuss square numbers. In this math instructional activity, students find square numbers and support their answers. Students find sums and products that are square numbers.