Curated OER
What's in a Shape?
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...
Curated OER
Sorting and Counting Geometric Shapes
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...
Curated OER
Parallelogram Problems
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...
Curated OER
Rhombi and Squares Homework
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.
Curated OER
Area of Triangles and Parallelograms
In this area learning exercise, 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.
Curated OER
Geometric Figure Quiz
In this geometric figure worksheet, students answer 10 multiple choice questions about geometric figures. Students find missing angles, interior angles, properties of polygons, etc.
Curated OER
Properties of Parallelograms
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...
Curated OER
An Introduction to Quadrilaterals
Young scholars explore the concept of quadrilaterals. In this quadrilateral instructional activity, students play with a floor tile applet to see that there are many types and characteristics of quadrilaterals including parallelograms,...
Curated OER
Pythagoreum Theorem
Students 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...
Curated OER
Application of Properties of Quadrilaterals in the Coordinate Plane
Students 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....
Curated OER
Quadrilateral Properties
In this online math worksheet, students 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 they...
Curated OER
Fraction Patterns Worksheet
In this fractions and patterns learning exercise, students make patterns of parallelograms and trapezoids using pattern blocks. Students complete 6 problems.
Curated OER
Can You Make Quadrilaterals?
Learners identify and describe squares, rectangles, parallelograms, trapezoids, and kites. In this quadrilaterals lesson plan, students put the quadrilateral shapes into a chart.
National Council of Teachers of Mathematics
Perplexing Parallelograms
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...
Curated OER
Area and Perimeter
In this geometry worksheet, 10th graders use single variable equations to solve problems focusing on area and perimeter of triangles, trapezoids, parallelograms, rectangles, and hexagons. The one page worksheet contains seventeen...
Math Salamanders Ltd.
2D Shape Sheet Parallelograms
In this identifying parallelograms worksheet, students look at the colorful shapes and identify the ones that have two pairs of parallel lines.
Curated OER
Algebra: Area of a Parallelogram
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.
Curated OER
Quadrilaterals
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,...
Curated OER
Area and Perimeter of Figures
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...
Curated OER
Parallelograms
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...
Curated OER
Area of Parallelograms and Triangles
Learners 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.
Curated OER
Parallelograms
In this online math worksheet, students practice finding the area of 10 parallelograms given the length and width. When complete, students submit their answers and get instant feedback regarding their accuracy.
Curated OER
In the Path of the Ancients: Unearthing Formulas for Area
High schoolers apply the formulas for the area of parallelograms and triangles. Through guided practice, students discover the correct way to apply the formulas. Working in pairs, they write their own problems featuring the formulas.
Curated OER
Area of Parallelograms
Seventh graders review the process of finding the area of a rectangle and complete a couple of examples as a class. They discuss what a parallelogram is and what the formula would be for finding its area. They listen to an explanation...