Lesson Plan
K20 Learn

Quadrilateral Quandary

For Teachers 10th
Classify quadrilaterals quickly. After playing a game to identify quadrilaterals, your young scholars should come away with knowledge of the properties of quadrilaterals. They then apply this knowledge to create a decision tree to ease...
Printables
1
1
K-5 Math Teaching Resources

Pattern Blocks

For Students Pre-K - 2nd Standards
Who needs to buy pattern blocks when you have this printable pattern block template? Including triangles, squares, trapezoids, rhombuses, and hexagons, this resource offers endless possibilities for teaching children about geometric shapes.
Printables
1
1
Kids Can Have Fun

Cut and Paste Shapes

For Teachers Pre-K - 2nd Standards
Engage youngsters in exploring the wonderful world of shapes with this series of cut-and-paste activities. Offering a variety of materials from printable pattern blocks to a series of matching exercises, this resource will have your...
Lesson Plan
Curated OER

Investigation-Looking at Polygons

For Teachers 8th
Eighth graders plot points and investigate polygons. They locate a point, using ordered pairs of integers on the coordinate plane. Students compare geometric measurements and computations on coordinate axes as they are applied to...
Lesson Plan
Curated OER

Investigation Area of Geometric Shapes

For Teachers 4th
Fourth graders use triangle paper to design patterns using geometric figures and find the areas of those figures by counting units. Students are assessed by determining which figure has the greatest area and explaining their reasoning.
Unit Plan
Curated OER

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...
Worksheet
Curated OER

Rhombi and Squares Homework

For Students 8th - 12th
In this geometry instructional activity, students set up and solve formulas to find missing angles and segments. When solving for x, the equations are just linear. There are 15 questions with multiple parts.
Worksheet
Curated OER

Trapezoids

For Students 9th - 12th
For this trapezoids worksheet, student solve 46 fill in the blank problems. Students find unknown side lengths and angle measures of an isosceles trapezoid and a rhombus.
Worksheet
Curated OER

Quadrilaterals

For Students 10th
In this quadrilaterals learning exercise, 10th graders solve and complete 22 various types of problems. First, they state the specific name for each shape illustrated. Then, students use the properties of a rhombus, rectangle, or square...
Lesson Plan
Curated OER

Two-Dimensional Geometric Shapes

For Teachers K - 2nd
Students participate in hands-on activities to explore the shapes in their environment.
Worksheet
Curated OER

Rhombi and Squares

For Students 9th - 11th
In this quadrilateral activity, learners find the missing measurements in squares and rhombuses in one hundred fifty-two problems.
Interactive
Curated OER

Special Right Triangles Multiple Choice

For Students 9th - 11th
In this length instructional activity, students answer five multiple choice questions concerning lengths using rules of various figures including, triangles, rhombus, diamonds, and circles.
Lesson Plan
Curated OER

World of Quadrilaterals

For Teachers 7th - 12th
Young scholars define the importance of the properties of quadrilaterals. In this quadrilaterals lesson, students identify the general properties of and compare and contrast the properties of convex and concave quadrilaterals. Young...
Lesson Plan
Curated OER

Discovering Perimeter

For Teachers 12th
Twelfth graders apply perimeter measurement to items found in newspapers and calculate the cost in terms of feet or yards. They share answers and explanations with classmates.
Lesson Plan
Curated OER

Rhombi

For Teachers 4th - 5th
Young scholars examine the rhombi or diamond shape and compare it to the square. Students are challenged to create as many flat rhombus shapes as possible and develop a definition for the rhombus shape in 20 minutes while working in...
Unknown Type
That Quiz

That Quiz: Practice Test: Shapes

For Students 3rd - 8th Standards
This resource provides a practice geometry quiz for students to use.
Activity
Texas Instruments

Texas Instruments: Investigating Properties of Kites

For Teachers 9th - 10th Standards
In this activity, students construct kites and investigate their properties. They also relate the properties to squares and rhombi.
Unknown Type
OER Commons

Oer Commons: Gallery Problems Exercise

For Teachers 6th - 8th
Students who have a clear understanding of the previous lessons can work on gallery problems of their choosing. This can be used as a good review or assessment.