Lesson Plan
Curated OER

Measurements

For Teachers 7th
Seventh graders solve word problems involving real world situation. In this geometry instructional activity, 7th graders solve problems related to volume. They apply the formulas taught in geometry.
Lesson Plan
Curated OER

The Distributive Property

For Teachers 7th - 9th
Students use a visual to introduce the Distributive Property. The lesson is chronologically numbered and follows a distinct plan. The class works with the teacher to complete the lesson. The plan is not written in a traditional way, but...
Lesson Plan
Curated OER

Geometric Fractals and the Chaos Game

For Teachers 8th - 10th
Students define fractals and patterns. They explore how a seemingly random process can result in a pattern. Students practice probability and fractions skills by playing the chaos game online.
Lesson Plan
Curated OER

The Laser Spider Web

For Teachers K - 5th
Students create a supersized spider web using yarn. They weave the yarn over and under an existing web to create a new design.
Worksheet
Curated OER

Patintero

For Students 2nd - 6th
For this Patinero worksheet, students play a game called Patinero where they try to run and tag others in lines in a square. Students play 1 game.
Lesson Plan
Curated OER

Shapes (Geometric)

For Teachers 2nd
Second graders explore various geometric shapes. In this math lesson plan, 2nd graders identify geometric shapes using colors and math problems.
Lesson Plan
Curated OER

Color Me Square

For Teachers 2nd
Second graders identify and describe basic geometric solids. Working as a class, 2nd graders describe geometric solids using the proper vocabulary and counting faces, bases, corners, and edges. In pairs, students use a computer drawing...
Lesson Plan
Curated OER

I Walk the Line

For Teachers K
Students walk, run, jump, and hop all over and around geometric shapes. They identify the shapes by running to and standing on the called out shape.
Lesson Plan
Curated OER

Exploring Shapes

For Teachers 1st - 4th
Students practice moving over shapes they have designed. They work on trying to travel around the shapes while practicing their jumping and landing patterns.
Lesson Plan
Curated OER

Exploring Shapes

For Teachers K - 2nd
Students practice moving over shapes they have designed.
Lesson Plan
Curated OER

Squares Have Roots?

For Teachers 6th - 8th
Students define a square and connect this information to a square root. In this square root lesson, students make a chart listing square numbers and their roots.
Lesson Plan
Curated OER

Grasping Geometry

For Teachers 3rd - 4th
Students investigate geometric shapes in their environment, make a geometric design, and write paragraphs describing the design.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Igd: Area of a Rectangle

For Students 3rd - 8th Standards
Use this interactive tool to learn how to find the area of a rectangle. Click on "Instructions" for details on how to use this tool. Click on "Explore" for more ideas.
Activity
K-5 Math Teaching Resources

K 5 Math Teaching Resources: Area Compare [Pdf]

For Students 3rd - 4th
Area Compare is a learning activity that applies the skills to create, find, and compare the areas of rectangles.
Study Guide
Oswego City School District

Regents Exam Prep Center: Area of Polygons and Circles

For Teachers 3rd - 6th Standards
How would you find the area of a polygon or circle? Explore this concept with engaging activities at this test prep site. Here you will find detailed problem solving strategies with accompanying visuals, a reference table with formulas,...
Activity
Texas Instruments

Texas Instruments: Perimeter, Circumference, and Area

For Teachers 9th - 10th Standards
Students find perimeters of rectangles and squares, as well as circumferences of circles. Students find areas of rectangles, squares, and circles. [Requires Adobe Reader.]
Activity
Texas Instruments

Texas Instruments: Greatest Area Activity

For Teachers 6th - 8th
A classic problem looking at maximizing the area of rectangles given fixed perimeters. Uses graphing calculators to analyze data collected and to model a parabolic equation. Compiling class data provides a preliminary glance at families...
Activity
Texas Instruments

Texas Instruments: Getting Started With Area Formulas App

For Teachers 9th - 10th Standards
Calculate the Area of a Trapezoid This Concept Handheld Software Application reviews the definition and area formula for the rectangle, square, parallelogram, triangle, trapezoid, and circle.
Activity
BBC

Bbc: Area in General

For Students 4th - 7th Standards
You can pick up some valuable pointers on how to find the area of a triangle, rectangle, and other quadrilaterals. When you finish working your way through the pages you can take an on-line "Test Bite," and check your understanding.
Interactive
Government of Alberta

Learn Alberta: Math Interactives: Exploring Area and Perimeter

For Students 6th - 8th
This multimedia Learn Alberta math resource looks at area and perimeter and how math is involved in the operations of a ranch. The accompanying interactive component lets students investigate a variety of rectangles to get a target...
Activity
Texas Instruments

Texas Instruments: Maximizing the Area of a Rectangle

For Teachers 9th - 10th
This activity is adapted from one of the TI books. Students measure lengths and widths of rectangles and record for the class to see. Each group's rectangle has the same perimeter, but different areas. After a discussion, students make...
Interactive
PBS

Pbs Learning Media: Kid Vid: Scaling Up Rectangles

For Students 6th - 8th Standards
Watch a student think through a problem about how the area of a rectangle changes when both sides are increased by the same scale factor and use online tools to demonstrate understanding of concepts related to area and scale factors in...
Activity
Texas Instruments

Texas Instruments: Sums of Rectangle Areas: Approximate Integrals

For Teachers 9th - 10th
This activity will show a function with rectangle areas on the graphing calculator.
Activity
Texas Instruments

Texas Instruments: Count Them Up! Using the Ti 73 Explorer

For Teachers 6th - 8th
In this activity, you will investigate the areas of rectangles and squares by splitting them up into unit squares and/or half-unit squares and combining them.