Lesson Plan
Curated OER

Grade 3: What Can I Make with 30 Centimeters?

For Teachers 3rd
Third graders create polygons with perimeters of 30 centimeters, use the centimeter grid paper to determine the area of each shape, and organize the shapes to make generalizations from the patterns they see.
Worksheet
Curated OER

Constructions and Loci

For Students 9th - 10th
In this geometry worksheet, students construct polygons and calculate the different angles formed by each shape. They construct circles, trapezoids, and rectangles and answer 20 questions.
Worksheet
Curated OER

Circles and Cylinders

For Students 10th
In this circles and cylinders worksheet, 10th graders solve and complete 22 various types of problems. First, they collect data for a radius and circumference for several different circles and calculate the quantity. Then, students find...
Lesson Plan
Curated OER

Tessellations

For Teachers 3rd - 6th
Learners learn and review basic geometric terms, definitions, and theory, including regular polygons, lines, angles, points, etc. They make a tessellating stamp and create a repeating work of art.
Lesson Plan
Curated OER

Pythagoreum Theorem

For Teachers 6th - 8th
Middle schoolers practice assessing how to apply the formulas for the area of parallelograms and triangles. They recount the contributions of Pythagoras and apply the theories of the Pythagorean theorem in a group project to calculate...
Worksheet
Helping with Math

Geometry: Areas of Triangles

For Students 7th - 9th Standards
For this areas of triangles instructional activity, students observe given polygons. They determine the area of triangles, rectangles and compound figures. This one-page instructional activity contains 5 multi-step problems. This...
Lesson Plan
Curated OER

Investigating Area Using Tangrams

For Teachers 10th
Tenth graders connect the history of geometry to problem solving. In this geometry lesson, 10th graders investigate polygons through hands on manipulatives and solve problems relating to parallelograms and triangles. They calculate the...
Lesson Plan
Curated OER

Which Triangles are Right

For Teachers 9th - 10th
Students apply properties of right triangles to solve problems. In this geometry lesson, students identify axioms and theorems using examples.
Lesson Plan
Curated OER

Tessellation Lesson Plan

For Teachers 6th - 12th
Students produce original tessellations, using equilateral triangles where three unique symmetrical faces rotate, use shape, pattern/repetition, and color to create a striking composition, and create "beasties" inspired by bestiaries of...
Lesson Plan
Curated OER

Geometrically Artistic/Artistically Geomtric

For Teachers 2nd - 8th
Students identify the two-dimensional geometric shapes Lowrey utilized in the painting Untitled. Students compare the two-dimensional shapes in terms of equivalent fractions, congruency, symmetry and asymmetry. Students create their own...
Worksheet
Curated OER

Presentation of Quantitative Data- Vertical Line Diagrams

For Students 6th - 9th
In this quantitative data worksheet, students examine how vertical line diagrams can be used to display discrete quantitative data. They read about the use of tally charts to create vertical line graphs that display the data. They...
Lesson Plan
Curated OER

Giving it 100%

For Teachers 3rd - 4th
Learners build knowledge about the number relationships between decimals and percents as it relates to converting decimals into percents. In this decimal and percent instructional activity, students recognize equivalent forms of...
Lesson Plan
Curated OER

Bow Wow, Oink Oink

For Teachers K
Students read Everybody Cooks Rice and discuss birthday celebrations around the world.   In this cultural differences lesson, students discuss the Chinese symbols by birth years.  Students create a graph by symbol. ...
Worksheet
Curated OER

Geometry

For Students 3rd - 5th
In this geometry review game learning exercise, students use the provided game cards and calling cards to play a Bingo-like game. Students learn geometric terms while playing a group game.
Lesson Plan
Curated OER

What is a Tangram?

For Teachers 2nd - 4th
Students identify a tangram. In this geometry lesson, students read Grandfather Tang's Story and retell each story using the tangrams on a flannel board. Students use tangrams to complete an included worksheet.
Lesson Plan
Curated OER

Constructing Quadrilaterals

For Teachers 9th - 12th Standards
High schoolers investigate quadrilateral construction in this geometry lesson. They use Cabri Jr. to construct the different quadrilaterals from the quadrilateral hierarchy given minimal definitions. The lesson reinforces the difference...
Lesson Plan
Curated OER

Heat and Matter

For Teachers 2nd - 3rd
Students explore liquids and solids by conducting in class experiments. In this matter instructional activity, students define the properties of matter and how heat can change those properties. Students experiment with heating objects...
Lesson Plan
Curated OER

Proving Pythagoras

For Teachers 8th - 10th
Students prove the theorem of Pythagoras. In this Pythagorean Theorem lesson, students define the different parts of a right triangle. They use the Pythagorean Theorem to solve for the missing sides and angles of a right triangle.
Worksheet
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Multiplying a 3-Digit Number By a Single Digit

For Students 4th - 6th
In this multiplication worksheet, students review steps and solve problems. In this problem solving worksheet, students find nine products.
Lesson Plan
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Cutouts

For Teachers 1st - 3rd
Students identify symmetry in shapes. For this geometry lesson, students fold paper to identify lines of symmetry. Students create various symmetrical shapes using folded paper.
Lesson Plan
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Perfectly Puzzling Pentominoes

For Teachers 2nd
Second graders utilize manipulatives (pentominoes) to demonstrate knowledge of: lines of symmetry, slides, reflections (flips), rotations (turns), area, and perimeter. This lesson gives students a meaningful way to practice these...
Lesson Plan
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Rep Tiles

For Teachers 3rd
Third graders use pattern blocks of one shape at a time to try to create a similar shape. They compare the perimeter of the new figure with the perimeter of the original shape and look for a pattern. Students use the pattern to predict...
Worksheet
Curated OER

Three Scale Drawing Activities

For Students 7th - 10th
In this scale drawing activity, students complete three different scale drawing activities.  One activity is making a scale drawing, one involves answering questions from a given scale drawing, and one is a cross-number...
Lesson Plan
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Comparing Area and Perimeter

For Teachers 9th - 11th
Learners solve problems by finding the perimeter and area of an enclosed area. In this geometry lesson, students differentiate between the area and the perimeter. They see how they relate and how to use it to maximize an enclosed area.