Curated OER
Applications of Properties of Quadrilaterals in the Coordinate Plane
Learners explore the concept of quadrilaterals. In this quadrilaterals lesson plan, students use the slope formula, midpoint formula, and distance formula to justify that a given quadrilateral is a parallelogram.
Curated OER
World of Quadrilaterals
Students 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. Students also...
Curated OER
The Quadrilateral Family
In this quadrilaterals worksheet, 10th graders solve and complete 10 different problems that include identifying various quadrilaterals. First, they indicate whether the statements are true or false for each. Then, students determine the...
Curated OER
Properties of a Quadrilateral
In this geometry activity, 10th graders use coordinate geometry to examine the lengths, slopes, and midpoints of the diagonals of the different quadrilaterals in order to arrive at conclusions regarding the properties of the diagonals....
Curated OER
Parallelograms Multiple Choice
In this geometry worksheet, students calculate the different measurements for parallelograms using the properties of quadrilaterals. They are given partial information and must solve the problem. There are 6 questions with an answer key.
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 worksheet...
Curated OER
Area of Parallelograms
In this area of parallelograms instructional activity, 10th graders solve 9 different types of problems related to finding the area of a parallelogram. First, they find the area of each figure or shaded region, assuming that angles that...
Curated OER
Quadrilateral Characteristics
Fourth graders explain the characteristics of quadrilaterals and describe, identify and analyze characteristics and properties of geometric shapes.
Curated OER
Area of Parallelograms
In this area of parallelograms activity, 10th graders solve 8 problems that include finding the area of various parallelograms. First, they find the area of each given figure in number 1-3. Then, students find the area of each shaded...
Curated OER
Finding the Area of a Parallelogram with Translations
Young scholars calculate the area of parallelograms. In this geometry lesson plan, students identify properties of parallelograms and use to to solve problems. They create polygons using Cabri software.
Curated OER
Finding the Area of a Parallelogram with Translations
Students calculate the area of a parallelogram. In this geometry lesson plan, students perform translation using a coordinate plane and coordinate pairs. They perform translation on other polygons.
Curated OER
An Introduction to Quadrilaterals
Young scholars explore different types of quadrilaterals. Students define the terminology used with quadrilaterals. They create particular quadrilaterals based on specific characteristics of the quadrilaterals using an online tool.
Curated OER
Areeas of Parallelograms and Triangles
Twelfth graders are able to deduce the area of polygons by using several methods such as coordinate method. They are able to apply the area of polygons to real life situations. Students apply the Pythagorean Theorem in problem solving...
Curated OER
Quadrilaterals and Other Polygons
In this polygon worksheet, 5th graders name 6 polygons, tell if each one is a regular polygon or not and tell if it is a special quadrilateral.
Curated OER
Recognizing Geometric Shapes
Comparing shapes can be integral to shape recognition- use this multiple-choice worksheet to help scholars know which is which...and which is not! In 4 questions, students observe multiple figures and identify the quadrilateral,...
Curated OER
Finding the Area and Perimeter of Polygons
Seventh graders practice finding the area and perimeter of polygons. In this polygon area lesson, 7th graders brainstorm shapes and take a walk to locate shapes. Students record properties of shapes and use various shapes to make a...
Curated OER
Connecting Formulas Related to Geometric Figures
Students identify diagrams of quadrilaterals and circles by different names and classify the figures. They name the areas for each diagram and practice solving the formulas for each.
Curated OER
Recognize and Draw Shapes
What type of shape is this? Learners practice identifying shape attributes as they name a parallelogram and an oval and count the sides of a cube and a triangle. There are multiple-choice answers for the shape-name questions, so...
Curated OER
Understanding Categories of Shapes
What are these shapes? Scholars match seven shapes to their names: rhombus, sphere, square, cone, circle, triangle, and parallelogram. Although there isn't much to this instructional activity, the shapes are nicely colored and it would...
Mrs. Glosser's Math Goodies
Perimeter & Area Worksheet 1
Test your mathematicians' skills with this full page of area and perimeter problems. Find the area and perimeter of different shapes including squares, parallelograms, trapezoids, and octagons. The formulas are not provided, so this...
Curated OER
Quadrilaterals and their Diagonals
In this quadrilaterals and their diagonals instructional activity, 10th graders solve 3 problems related to determining various types of quadrilaterals. First, they draw the diagonals for each of the quadrilaterals and determine for...
Curated OER
Quadrilaterals
In this quadrilaterals worksheet, 10th graders solve and complete 10 different problems that include various types of proofs and quadrilaterals. First, they read the given information for each quadrilateral illustrated. Then, students...
Curated OER
Area of a Parallelogram
In this area of a parallelogram worksheet, 10th graders determine the measurement of 10 different parallelograms illustrated. First, they multiply the base of the parallelogram times its height to determine the area. Then, students...
Illustrative Mathematics
Is This a Parallelogram?
If both pairs of opposite sides of a quadrilateral are congruent, is the quadrilateral a parallelogram? This task asks learners to determine the answer and to support their answer with a proof. The resource includes a commentary for...