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Lesson Plan
Curated OER

The Pythagorean Theorem

For Teachers 9th - 11th
Students create both a visual and formal proof of the Pythagorean theorem, as well as view four additional geometric demonstrations of the theorem. They construct a square and conjecture the following theorem: The sum of the areas of...
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Worksheet
Curated OER

Area Investigation

For Students 8th
In this area investigation learning exercise, 8th graders solve and complete 6 different problems that include complete a chart with given data and a graph. First, they construct as many different rectangles as possible using toothpicks....
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Worksheet
Curated OER

Slopes for the Mathematically Inclined

For Students 9th
In this slope activity, 9th graders solve and complete 6 different problems that include completing charts and applying applications to the real world. First, they use the pictures shown to measure the riser and tread of 3 consecutive...
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Lesson Plan
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Regrouping Ten Ones for One Ten

For Teachers 2nd - 3rd
Students explore regrouping. In this hands-on math place value lesson, students construct models using connecting cubes and place value mats to solve simple addition problems that require regrouping.
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Lesson Plan
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Exploration with Geometric Solids

For Teachers 3rd - 5th
Students reinforce geometric concepts by playing "Guess My Solid." Through a process of elimination, they determine the shapes of mystery solids. Finally, students use various materials to construct their own geometric figures.
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Worksheet
Curated OER

Least Common Multiples

For Students 6th - 8th
In this math worksheet, students find the least common multiple of sets of numbers. Students factor each number to their prime factorization. They use the primes to find the least common multiples. This is a worksheet generator, the...
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Lesson Plan
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Spaghetti Bridges: Student Worksheet

For Teachers 5th - 6th
In this math worksheet, students will create a "bridge" out of spaghetti and test it's strength with pennies. Students will record their results on a table and then graph the results.
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Lesson Plan
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Duplicating Segments and Angles

For Teachers 10th
Tenth graders investigate geometric construction.  In this geometry lesson, 10th graders explore the procedure for copying an angle and a segment.  The lesson emphasizes the difference between a sketch, a drawing, and a construction and...
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Lesson Plan
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Building a Bridge

For Teachers 3rd
Third graders discover architecture and functionality by constructing a bridge.  In this bridge engineering lesson, 3rd graders utilize cardboard, straws, towel tubes and plastic bottles to create a model bridge similar to ones seen in...
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Lesson Plan
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Architect and Contractor

For Teachers 3rd - 7th
Learners recognize and state the type of buidings found in their community. They name and illustrate the process of the architect. They match tools and equipment used to develop the initial phase of construction.
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Lesson Plan
Curated OER

Folding Shapes; Are the Sides the Same?

For Teachers 2nd
Second graders explore geometry by experimenting with fold-ables. In this geometric shapes lesson, 2nd graders utilize cutout shapes from construction paper which they experiment with by folding. Students examine the symmetry and...
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Lesson Plan
Curated OER

Geometric Figures and Applications

For Teachers 9th - 12th
High schoolers study geometric figures. They use graph paper or Geometer's Sketchpad to construct and decorate geometric shapes, and also create a 3-D polygon using construction paper and a given template.
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PPT
Curated OER

How to Draw an Angle

For Teachers 4th - 6th
How do you draw an angle? Dispel the confusion with this step-by-step teaching tool. Seven steps to angle drawing are shown in a simple format. While these steps are easy to follow, no explanation of how this process works is included. 
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Lesson Plan
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Colorful Corn Ring Toss

For Teachers 1st - 3rd
Students design and construct a ring-toss game that enables them to practice spelling words, math facts, or science vocabulary. They plan and determine their game rules, and using a variety of craft materials, create a corn-husk/corn-ear...
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Worksheet
Curated OER

Rotations

For Students 9th - 12th
Use this math learning exercise to have your learners practice constructing a reflection of a shape drawn on a grid by using rotation. This simple learning exercise has six problems for the pupils to solve, and includes and answer sheet.
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Lesson Plan
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Deriving the Formula For the Area of a Circle

For Teachers 6th - 12th
Young scholars derive the formula for the area of a circle. They form a rectangle by partitioning a circle using construction paper and scissors.
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Unit Plan
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Zome System

For Teachers 4th - 6th
Get hundreds of interactive activity plans using the Zome Modeling System. Among dozens of lessons, a first exposure to similar triangles can be very visual for the learner. Here, young geometers explore the number of different shapes...
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Lesson Plan
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Shapes - Sides and Corners

For Teachers K - 1st
Students identify a number of different shapes and their corners and sides. Using a cut out of the shape, they stand on the appropriate shape on the floor and count the sides and corners. They use a geoboard to construct their own shapes...
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Lesson Plan
Curated OER

Cool Cats Counting

For Teachers 1st
First graders count and sequence the numbers from one through ten in English and Spanish using the book "Cool Cats Counting." They identify and count the animals in the book, create rhyming words, and construct a counting mobile.
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Lesson Plan
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Brother In The Box

For Teachers 6th - 8th
Middle schoolers investigate the concept of finding the area of a parallelogram. The lesson plan uses a story that is told as an illustration to help straighten the confusion associated with the concept. Students could construct...
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Lesson Plan
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Area And Perimeter Using Pentominoes

For Teachers 3rd
Third graders engage in an enrichment lesson exploring the concepts of area and perimeter. They construct new pentominoes that are 3 times the size of normal ones and then identify the area and perimeter measurements. They then create a...
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Worksheet
Curated OER

Cylinder: Teacher Notes

For Students 6th - 8th
Middle schoolers construct a basic cylinder out of a piece of paper, then answer seven questions about their cylinder. Questions have to do with measurement, volume, radius, etc.
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Lesson Plan
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Computer Careers Cube

For Teachers 4th - 12th
Students use the internet to research the types of careers in technology. Using construction paper, they draw themselves in one or two of the careers they found interesting. To end the lesson, they share their drawings with the class and...
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Lesson Plan
Curated OER

Geometric City

For Teachers 4th - 6th
Students brainstorm names of plane and solid geometric figures. Afterward, they explore the skyline of large cities and note their agricultural shapes. Using construction paper, students build 3-D geometric structures to create a skyline...

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