Curated OER
Introducing Angles
Sixth graders identify, compare and interpret the characteristics of polygons and angles in order to meet spatial sense, geometry and measurement standards. They also sort shapes into three categories, polygons (regular and irregular)...
Curated OER
Geometry: Cut, Construct and Think
Young scholars explore polygons. In this geometry skills lesson, students complete an activity that requires them to solve geometry problems that involve polygons as they piece together geometric shapes. Young scholars analyze the shapes...
Curated OER
Our Geometric World
Third graders explore the attributes of polygons. In this geometric shapes lesson, 3rd graders review quadrilaterals, squares, rectangles, triangles, pentagons, hexagons, and octagons in order to create hanging polygons. Students then...
Pennsylvania Department of Education
Making Triangles
Students use interactive geoboards to identify simple geometric shapes. In this making triangles lesson, students describe the properties associated with geometric shapes. Students develop spatial sense and the mathematical meaning...
Curated OER
Triangle Worksheet: Cut, Construct and Think 1
In this triangle worksheet, 6th graders draw and cut out a triangle, cut it into three pieces, then arrange the pieces to make new shapes.
Curated OER
Reflections
Fifth graders create a reflection of a poygon using a Mira. They discover that a line connecting a vertiex of a polygon and the corresponding vertex of its reflection is perpendicular to the line of reflection. Students create a glide...
Print and Practice
Tracing Shapes #2
in this tracing shapes worksheet, students trace a set of shapes and shape words, 12 total. A reference web site is giving for additional activities.
Curated OER
Introducing Polygons
In this polygons worksheet, students name the 6 different colored shapes, choose any 3 polygons to draw and color on a grid, while adding a right angled triangle and a rhombus.
Print and Practice
Tracing Shapes
In this shape learning exercise, students trace a set of shapes and then trace each shape word, both in printing and cursive lettering. A reference web site is given for additional activities.
Curated OER
Formula Determination
Learners derive a formula for the interior degrees in any convex polygon. In this geometric figure lesson, students determine the shapes of various polygons and the number of triangles formed. They use this information to derive the...
Curated OER
Metallic Mosaic
Students engage in a lesson about polygons while creating a mosaic pattern. They concentrate upon creating a pattern that is geometric and has the look of a quilt design. The lesson includes steps to complete the project and helpful hints.
Curated OER
Tessellations: Geometry and Symmetry
Learners explore the concept of tessellations. In this tessellations lesson, students use an applet to construct tessellations. Learners use regular polygons to construct tessellations. Students find patterns and symmetry in their...
Curated OER
Countdown Challenge: Live Symmetry in Regular & Irregular Polygons
In this symmetry worksheet, learners identify lines of symmetry in given polygons. They discover the correlation between the number of sides and the number of lines of symmetry. Students determine the lines of symmetry in irregular...
Curated OER
Isosceles Right Triangle
In this isosceles right triangle worksheet, 10th graders solve and complete 5 different constructions of composition and decomposition. First, they make 4 congruent isosceles triangles with the model on the left. Then, students create...
Curated OER
Countdown Challenge Symmetry
In this symmetry worksheet, students identify the lines of symmetry in given polygons. They match the number of lines of symmetry to the correct figure. This one-page worksheet contains seven problems.
Curated OER
Symmetry Fun
In this symmetry worksheet, 7th graders identify and complete 12 different lines of symmetry in polygons. First, they color all of the polygons that have a line of symmetry. Then, students circle all of the regular polygons and use the...
Curated OER
Measurement: Perimeter
In this perimeter worksheet, 10th graders identify and complete 9 different problems that include determining the perimeter of various figures. First, they complete the table by writing the number of sides in each figure listed on the...
Curated OER
Perimeter of Polygons in Word Problems
Peruse these perimeter word problems with beginning geometers, possibly projecting it as an all-class warm up. There are three scenarios here, each with a visual. Scholars determine the perimeter of a swimming pool, find the missing...
Curated OER
Working in 3-D Sudoku
For this geometric shapes worksheet, 7th graders solve and complete 8 different problems that include working in a 3-D sudoku puzzle. First, they determine the area of a circle of a sphere to the nearest tenth. Then, students determine...
Curated OER
Exterior Angles of Polygons
In this online math worksheet, high schoolers find the exterior angles of polgyongs. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching tool!
Curated OER
Area of Polygons
In this math worksheet, middle schoolers find the area and perimeter of the regular and irregular polygons. They pay attention to use the proper measurements for calculation.
Curated OER
Space and Shape in Geometry:
Students are asked to visualize three-dimensional figures and apply this visualization to problem solving.
Curated OER
Interior Angles of Polygons
In this online math worksheet, students determine the interior angles of polygons given their exterior measurements. This excellent resource allows the students to check their answers, and to get "hints" should they run into...
Curated OER
Visualize 3-D Objects and Make Nets of Common Solids
In this 3-D objects and common solids worksheet, students cut out and count the number of faces on several different types of boxes and make a cuboid from straws or a card. Kids fill out 4 different categories involving 5 different types...