Curated OER
I Can Build It.....Yes I Can!
Kindergartners listen to a story read by their teacher, then use magnetic shape pieces to construct simple designes. They "build" their own house using pre-cut paper shapes. This age-appropriate lesson would be an excellent choice for...
Curated OER
Geometric Figures
Students compare, classify and calculate the area of geometric figures such as rectangles, squares, circles and triangles.
Curated OER
Triangle Explorer
Students calculate the area of triangles using a variety of materials including computer applets.
Curated OER
Review of Triangles
Learners investigate the Pythagorean Theorem. In this geometry instructional activity, students define angles and sides of right triangles. They calculate the area and surface area using formulas derived by the Pythagorean Theorem.
Curated OER
Rectangular Gardens
Learners create a rectangular garden using paper and tiles. In this geometry lesson, students investigate the largest possible rectangle that can be created given specific boundaries. They use grid paper to draw the rectangles creating a...
Curated OER
Life in a Geometrical Town
In this geometry worksheet, students create a map that uses various geometrical concepts. The final project is the creation of a "geometrical town." Rubric for grading is included.
Curated OER
Exploring Area
Fifth graders explore the concept of area using the geometry of selected objects. The laboratory for this experience is the classroom. The lesson focuses upon the objects that have four sides like squares and rectangles.
Curated OER
Area and Perimeter
Students participate in a hands-on activity that shows the independence of perimeter and area for simple irregular figures.
Curated OER
Dilations of 2 and 3 dimentional figures and their effect on area, surface area, and volume.
Seventh graders investigate the area and volume of 2D and 3D figures. In this geometry lesson plan, 7th graders create a storyboard explaining their knowledge of 2D and 3D shapes. They analyze their data and interpret their...
Curated OER
Area of Solids
Students find the area of rectangular solids and cylinders by cutting them into flat pieces and adding the areas.
Curated OER
Chapter 8 Extra Problems Worksheet: Similar Triangles
In this similar triangles worksheet, students solve 6 similar triangles. Students use proportions to solve similar triangles and similar rectangles.
Curated OER
Effects of Changing Dimensions Proportionally
In this geometry worksheet, 10th graders examine the effect of changing the dimensions of a figure proportionally on the perimeter, circumference, and area. The one page worksheet contains six problems. Answers are...
Curated OER
Geometric Concepts and Polygons
For this geometry worksheet, students identify the altitude, perpendicular bisector, median, angle bisector and the area of different polygons. There are 33 problems.
Curated OER
Midpoints and Bisectors
For this geometry worksheet, students calculate the midpoints of polygons using coordinate pairs. They find the angle bisector, altitude and median of the given triangles. There are 33 questions.
Curated OER
Measurements in Quilting
Student measure the length of the sides of rectangles and squares using inches, feet and yards. They determine perimeters of rectangles and squares. They then determine areas of rectangles and squares.
Student compare measurement of...
Curated OER
Geometry and Measurement
Students view a right triangle displayed by the teacher. Students measure legs and the interior angles of the triangle. They look for a pattern or relationship between the legs and angles. Students use pegboards and string to create more...
Curated OER
Exploring the Properties of Rectangular Prisms.
Students define properties of rectangular prisms. In this geometry lesson, students identify the relationship between two and three dimensional objects. They use Cabri technology to graph their figures.
Curated OER
Exploring Properties of Rectangular Prisms
Learners explore the properties of rectangular prisms. In this geometry lesson, students identify properties of two and three dimensional shapes. They use Cabri technology to create polygons and solve problems.
Curated OER
Tessellations: Geometry and Symmetry
High schoolers examine tesselllations and their geometric properties. They have a better knowledge of polygons, can identify types of symmetry in tessellations. Also students use visulization, spatial reasoning, and geometric modeling...
Curated OER
Connections Involving Geometry And Inequalities
In this math worksheet, students investigate inequalities using problems like: If x and y are randomly determined so that 1 < x < 3 and 4 < y < 7, then what is the probability that | x – y |< 4?
Curated OER
Geometric Figures
In this geometric figures worksheet, 10th graders solve and complete 18 different types of problems that include various figures. First, they find the area of the figures shown if consecutive sides are perpendicular. Then, students find...
Curated OER
Wrecked Angle
In this geometry activity, students answer questions about triangles and trapezoids as it related to the area of a shape. They make their own polygons and calculate the area.
Curated OER
Similar Figures
Your class will use a TI calculator to drag vertices of rectangles and triangles to observe what happens to ratios of pairs of sides within each figure. They will apply the definition of similarity to identify similar shapes. The lesson...
Curated OER
The Theorem of Pythogoras
For this geometry worksheet, learners solve right angle triangles using the Pythagorean Theorem. They calculate the area and sides of triangles and circles. There are 52 questions total.