Curated OER
Geometry in Nature
Students examine how the circumference, diameter, and the relationship of Pi of a circle are related. They count the summer rings of a tree to determine its growth.
Curated OER
Finding the Basal Area of a Forest Plot to Determine Stocking Levels
Learners use graphs and plots to measure the basal area and stocking levels. In this graphing instructional activity students work in the field the use their data to help them complete a lab activity.
Curated OER
Algebra/Geometry Institute: Area, Circumference, Perimeter
Pupils solve area problems. In this area, circumference, and perimeter lesson, students solve area and perimeter problems using standard and metric units of measure. They identify the best customary unit of measure for a given...
Raytheon
Geometry: Perimeter and Area
In this geometry worksheet, young mathematicians apply the formulas for the area and perimeter of polygons and circles to solve a variety of skills practice and problem-solving questions.
Utah Education Network (UEN)
Geometric Figures and Scale Drawings
Scale up your lessons on geometry and ask learners to investigate conditions on triangles, scale drawings, the area and circumference of circles, and angle relationships. The resource includes activities and a homework assignment.
Curated OER
Let's Gather Around the Circle
Scholars explore the relationship between circumference and diameter. Groups of learners measure the diameter and circumference of round objects and record their data on a given worksheet. They then input the data into their graphing...
Curated OER
Circle Area, Perimeter and Circumference
In this geometry skills worksheet, students respond to 7 questions that require them to find the area, perimeter, and circumference of circles.
Curated OER
Circumference and Area
In this circumference and area worksheet, students find area and circumference of a set of 9 circles. A website reference is given for additional resources.
Curated OER
Evaluating the Products of Chords of a Circle
Students investigate chords and make predictions. In this geometry instructional activity, students graph circles and calculate the measurement of each chord. They perform the calculations and make conjectures.
PBS
Accessible Shapes
All the 2-D and 3-D measurement work you need is in one location. Divided into three sections, the geometry lesson plans consist of visualization of three dimensions, classifying geometric figures, and finding surface area and volume....
American Statistical Association
Exploring Geometric Probabilities with Buffon’s Coin Problem
Scholars create and perform experiments attempting to answer Buffon's Coin problem. They discover the relationships between geometry and probability, empirical and theoretical probabilities, and area of a circle and square.
Curated OER
Lesson 9-3 Practice B: Composite Figures
In this composite figures worksheet, young scholars solve 11 short answer problems. Students find the area of figures composed of various polygons. Young scholars find the area of each figure given a sketch of the figure with various...
Curated OER
Probability and Geometry Problems
In this online math worksheet, students consider a variety of scenarios which include elements of geometry and probability. This excellent resource allows the students to check their answers, and to get "hints" should they run into...
Curated OER
Areas of Polygons
Students calculate the are of regular polygons. In this geometry activity, students create polygons on the computer and move it around to create different shapes. They explore the area of different polygons and how they inter-relate.
Curated OER
1st Geometry
In this geometry worksheet, students choose the multiple choice answer to 15 questions involving several different elements of geometry.
Curated OER
Tangents, Secants, and Chords
For this tangents, secants and chords worksheet, 10th graders identify and solve 48 different problems that include using 3 different theorems for defining circles. First, they determine the area of each circle with C as the center and a...
Curated OER
Geometric Probablitiy: Spinners and Dartboards
Sstudents explore and analyze the properties of geometric areas. In this geometry lesson, sstudents use technology to simulate spinners and dartboards in order to fing areas of circles and sectors of circles and compare and contrast...
Illustrative Mathematics
Hexagonal Pattern of Beehives
Young geometers and biologists investigate the math of nature in an activity that is just the bee's knees. Participants will study the tessellations of hexagons in a beehive, along with the natural rationale behind the specific shape....
Curated OER
SuperShapes, Part 1; "Tri"ing Triangles
An outstanding lesson on triangles awaits your math scholars. Learners focus on the triangle, which is the strongest of all polygons. They see the role that triangles play in the design of buildings, and learn about triangle...
Curated OER
Area Of Sectors
Student find the area of a sector of a circle. In this geometry lesson, students define the sector of a circle using a sketch. They find and identify examples of sector in the real world.
Curated OER
Scale Factor- Surface Area and Volume
Students calculate the surface area and volume of shapes. For this geometry lesson, students create different scales and calculate the volume and area for each shape. They compare and contrast between the different scales and shapes.
Curated OER
Surface Area of Cones
Learners find the surface area of cones. In this geometry lesson plan, students calculate the dimensions of each three-dimensional shape and use the correct formula to solve the problem. They relate concepts of cones to the real world.
Curated OER
Area and Perimeter Review
Students calculate the area and perimeter of different shapes. In this geometry activity, students name the different polygons based on their number of sides. They use the correct formula for each shape to calculate the area and perimeter.
Curated OER
Radians, Arc Length, and the Area of a Sector
In this college level geometry worksheet, students convert between degrees and radians. Students determine arc length and solve problems involving the area of a sector. The four page worksheet contains seventy-four problems. Answers...