Curated OER
Radius, Diameter and Area
Learners identify the radius and diameter of a circle. In this geometry lesson, students calculate the volume and area of a cylinder and circle. They relate the circumference of a circle to Pi.
Curated OER
Unit Circle and Triangle
Students apply the Unit Circle to solve ratios of triangles. In this geometry lesson, students derive the different ratios of a triangle using the Pythagorean Theorem. They find the angles of a unit circle using a right triangle.
Concord Consortium
Three Rubber Bands
Stretch your mind about triangles. Given a triangle, scholars consider a smaller triangle formed when they stretch three rubber bands from each vertex to the opposite side. They determine the ratios of the areas and perimeters of the...
Curated OER
Geometric Shapes: Shapes in Everyday Items
Which item is shaped like a cone? Use this multiple-choice shape recognition worksheet to give students access to shapes in their everyday life. Four questions ask scholars to identify which of the pictured items is shaped like a sphere,...
Curated OER
Acute and Obtuse Angles
For this angles worksheet, students label a set of 4 angles as either acute or obtuse. Page has several links to additional geometry activities.
Curated OER
Tessel Your Way to Nagano!: Olympics, Winter Sports, Snowboarding, Graphic Design, Geometry, Math, M.C. Escher, Tessellations
Students create Post-It note fundamental regions to tesselate. They make tesselations using computer software or websites. They create a jacket design with tesselation and determine the cost of production.
Curated OER
Geometry: Classifying Angles
Students measure, construct, and classify angles as acute, right, straight, and obtuse. Once they have completed an angle worksheet, students use a map of South Carolina to locate cities by constructing the aforementioned angles.
Mr. Williams Maths
Eight Circle Theorems Page
Your learners will find these circle theorems nicely organized with diagrams included that present the geometric relationships between the circle circumference, chords, central and circumference angles and tangents.
K-5 Math Teaching Resources
Tangram Cutout
Challenge the spatial thinking of your young mathematicians with this printable tangram puzzle. Using different sized triangles, squares, and parallelograms, children must figure out how to fit all the shapes together to create a square.
Mathematics Assessment Project
Evaluating Statements About Enlargements
Double, toil ,and double linear dimensions. Learners first complete an assessment investigating how doubling linear dimensions affects the area of pizzas and the volume of popcorn containers. They then complete an activity investigating...
Concord Consortium
Three Circles
Round and round and round we go. Given a diagram of three circles, two of which share a point with the third circle, learners identify the radius of each circle. Doing so requires setting up and solving a system of equations based on the...
Curated OER
Add'm and Eve in the Garden
Students research and design five different shaped raised beds for the school garden. In small groups, they conduct Internet research, measure and create a cost analysis for the construction and design, and submit their plans to the...
Curated OER
Wind Surge: Interactive On-line Mac and PC
Students examine the influence of the end wall. They find a basin size and wind speed such that a given wall height is overtopped. Then, increase the wall elevation until overtopping stops. Students explain the difference in results.
Curated OER
Triangle Puzzler
Pupils are introduced to some basic concepts of geometry. They explain that the definition of a triangle is a figure with three sides, three angles, and three points. Triangles can be named by using three points in their correct sequence.
Curated OER
Geo Jammin' - Day 4, Lesson 12: Geo Gee-Hawin'
Students review geometry unit content through a vocabulary/word game. They demonstrate understanding using geoboards to answer questions. They work in groups and it's a race to the correct answer.
Curated OER
Surface Area of Rectagular Prisms
Sixth graders investigate the area of polygons. In this geometry lesson plan, 6th graders calculate area of prisms using geometric formulas. They work with prisms and other rectangular shapes.
Texas Instruments
Golden Ratio Lab
Learners investigate the Golden Ratio in this algebra I or geometry lesson. They explore the Golden Ratio as the conduct an experiment in which they collect various measurement from their team members and find the regression equations...
Curated OER
Vocabulary Quiz
In this literacy learning exercise, students find the definitions for the words that are related to the concepts of geometry. The answers are found by clicking the button at the bottom of the page.
Curated OER
Shapes
In this geometry worksheet, learners choose the correct name to match the shape given. Students identify the words for oval, rectangle, square, circle, triangle, and diamond.
Curated OER
Chapter 21 Word Search Puzzle
In this language arts worksheet, students study 5 words in a word bank and locate them in a word search puzzle. The words pertain to geometry; the meaning of the title is unknown.
Curated OER
Rallytable Angle Measuring
In this geometry worksheet, students measure various angles. First, they write what type of angle each one is, whether right, acute, or obtuse. Then students estimate the measurement and then write the actual measurement for each angle.
Curated OER
Mixed Problems- Logical Reasoning
In this mixed math problems learning exercise, 3rd graders complete 8 logical thinking problems. They solve patterning problems, magic squares, mystery numbers, and geometry problems.
Curated OER
Sunshine Math- 2
In this math applications instructional activity, students solve 6 varied problems that include estimation, money, basic operations, pictographs and geometry.
Curated OER
Sunshine Math- 1 Venus, XV
In this problem solving worksheet, students complete 9 story problems that include geometry, measurement, input and output, pictographs, time, addition and weights.
