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Lesson Plan
Curated OER

What's in a Shape?

For Teachers 3rd - 5th
Students explore characteristics of shapes by making and using tangram sets. They discover how the tangram pieces are related to one another, and determine how many different combinations of the triangles, squares, and parallelograms in...
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Worksheet
Curated OER

Area of Parallelograms, Practice 4-5

For Students 6th - 8th
Middle schoolers find the area of parallelograms represented by pictures and numbers. This worksheet would be an excellent homework assignment.
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Worksheet
Curated OER

Sorting and Counting Geometric Shapes

For Students 2nd
Practice counting, tallying, and sorting shapes with this math challenge. Scholars examine a group of shapes, tallying the amount in four categories: quadrilaterals, parallelograms, rectangles, and squares. Then, they color in any shapes...
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Interactive
Curated OER

Parallelogram Problems

For Students 9th - 12th
In this online math worksheet, students solve a variety of geometry problems which utilize parallelograms. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...
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Worksheet
Curated OER

Geometry Take Home Question

For Students 9th - 12th
In this triangles, parallelograms, and kites worksheet, students solve 4 short answer problems. Students find the area of the given triangle. Students construct parallelograms and kites by cutting out and manipulating the given triangles.
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Worksheet
Curated OER

Rhombi and Squares Homework

For Students 8th - 12th
In this geometry worksheet, 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.
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Worksheet
Curated OER

Area of Triangles and Parallelograms

For Students 9th - 12th
In this area worksheet, students find the area of 21 triangles and parallelograms. Students find the area of each triangle and parallelogram given a sketch and measurements of the figure.
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Worksheet
Curated OER

Geometric Figure Quiz

For Students 9th - 12th
In this geometric figure worksheet, students answer 10 multiple choice questions about geometric figures.  Students find missing angles, interior angles, properties of polygons, etc.
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Lesson Plan
Curated OER

Rectangles and Parallelograms

For Teachers 3rd - 5th
Young scholars compare parallelograms and rectangles.  In this comparing parallelograms and rectangles lesson, students make a chart to compare parallelograms and rectangles.  Young scholars are given set of quadrilaterals and they must...
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Lesson Plan
Curated OER

Properties of Parallelograms

For Teachers 9th - 12th Standards
High schoolers discover properties of parallelograms as they construct a parallelogram using Cabri Jr. They will measure angles and side lengths of their construction and determine the relationship between the diagonals of a...
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Lesson Plan
Curated OER

An Introduction to Quadrilaterals

For Teachers 9th - 12th
Students explore the concept of quadrilaterals. For this quadrilateral lesson, students play with a floor tile applet to see that there are many types and characteristics of quadrilaterals including parallelograms, trapezoids,...
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Lesson Plan
Curated OER

Pythagoreum Theorem

For Teachers 6th - 8th
Young scholars 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 the...
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Lesson Plan
Curated OER

Application of Properties of Quadrilaterals in the Coordinate Plane

For Teachers 9th - 12th
Learners apply definitions and theorems to verify special quadrilaterals using coordinate geometry. They apply the slope formula, the midpoint formula, and the distance formula to justify that a given quadrilateral is a parallelogram....
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Interactive
Curated OER

Quadrilateral Properties

For Students 9th - 12th
In this online math worksheet, high schoolers answer "true" or "false" to a variety of statements regarding the properties of quadrilaterals. This excellent resource allows the students to check their answers, and to get "hints" should...
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Worksheet
Curated OER

Fraction Patterns Worksheet

For Students 3rd - 6th
In this fractions and patterns worksheet, students make patterns of parallelograms and trapezoids using pattern blocks. Students complete 6 problems.
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Lesson Plan
Curated OER

Can You Make Quadrilaterals?

For Teachers 2nd - 4th
Pupils identify and describe squares, rectangles, parallelograms, trapezoids, and kites. In this quadrilaterals lesson plan, students put the quadrilateral shapes into a chart.
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Worksheet
National Council of Teachers of Mathematics

Perplexing Parallelograms

For Students 9th - 10th
In this geometry worksheet, young mathematicians divide a parallelogram into four, by choosing points along a diagonal.  Students calculate the area of each parallelogram and look for any patterns that may emerge.  The one-page worksheet...
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Worksheet
Curated OER

Area and Perimeter

For Students 10th
In this geometry activity, 10th graders use single variable equations to solve problems focusing on area and perimeter of triangles, trapezoids, parallelograms, rectangles, and hexagons.  The one page activity contains seventeen...
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Worksheet
Curated OER

Identifying Parallelograms

For Students 2nd - 3rd
In this identifying parallelograms worksheet, students look at the colorful shapes and identify the ones that have two pairs of parallel lines.
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Worksheet
Curated OER

Algebra: Area of a Parallelogram

For Students 5th - 6th
In this parallelogram worksheet, students find the area and perimeters and complete a chart to show the length, width and perimeter for different rectangles with a given area. Houghton Mifflin text is referenced.
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Worksheet
Curated OER

Quadrilaterals

For Students 10th
In this quadrilaterals worksheet, 10th graders solve and complete 10 different problems that include various types of quadrilaterals to identify. First, they find the value for each variable in the illustrated quadrilateral. Then,...
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Worksheet
Curated OER

Area and Perimeter of Figures

For Students 10th
For this area and perimeter worksheet, 10th graders solve 10 different problems that include various figures shown. First, they determine the area of triangles, parallelograms, and trapezoids in each box. Then, students determine the...
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Worksheet
Curated OER

Parallelograms

For Students 10th
In this parallelograms worksheet, 10th graders solve 8 different types of problems related to measuring various parallelograms. First, they use the figure, a parallelogram, illustrated at the top to solve each problem. Then, students...
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Lesson Plan
Curated OER

Area of Parallelograms and Triangles

For Teachers 8th - 10th
Students explain the formula for finding the area of a paralellogram and its relation to the area of a rectangle. Finally, they construct the formula for the area of a paralellogram.