Curated OER
Line Hunt
Young scholars identify lines in everyday images. In this art analysis activity, students practice drawing diagonal, vertical and horizontal lines on pieces of chart paper. Young scholars examine a page from a magazine and...
Curated OER
Concurrent Lines, Medians and Altitudes
In this geometry worksheet, students construct angles and identify medians and altitudes. They use a compass and protractor to perform heir construction. There are 28 questions.
Oleh Yudin
iCrosss
Did you know that a soccer ball is very similar to a truncated icosahedron? Both have 32 faces, but while a truncated icosahedron is made up solely of flat hexagons, a traditional soccer ball has 12 pentagons and 20 hexagons, each curved...
Curated OER
Geometry: Regents Exam
In this geometry worksheet, 10th graders review geometric concept including angles, polygons, quadrilaterals, trig and circles. They take a comprehensive exam covering topics on the Regents exam. There are 32 pages in this booklet.
Curated OER
Applied Science: Exploring Shapes in Nature
Explore geometry with your young mathematicians! First, have them color in different two-dimensional and three-dimensional shapes. Then take them on a walk around the classroom. Can they identify different shapes using the target...
EngageNY
Construct an Equilateral Triangle (part 2)
Triangles, triangles, and more triangles! In this second installment of a 36-part series, your young mathematicians explore two increasingly challenging constructions, requiring them to develop a way to construct three triangles that...
Curated OER
Drawing with Shapes
First graders combine different shapes to create an image. In this geometry lesson, 1st graders utilize squares, circles, rectangles, triangles, and arc to draw a picture. Students share their creation with their class...
Curated OER
Investigation: Sorting and Classifying
Fifth graders explore geometry by creating shapes with construction paper. In this shape characteristics lesson, 5th graders identify the different attributes that make up specific shapes and create them using construction paper, rulers,...
Texas Instruments
Cabri Jr. Inscribed and Central Angles
Learners will differentiate between inscribed and central angles in this geometry instructional activity. They answer questions dealing with circles as they relate to inscribed triangles and angles. This assignment includes a printable...
Curated OER
Circles
Tenth graders explore and define the radius and diameter of a circle. In this geometry lesson, 10th graders calculate the circumference and area of a circle using real world objects and shapes. They discuss chords and lines tangent...
Curated OER
Basic Compass and Ruler Construction: Line Segment
In this construction worksheet, students utilize a compass and a ruler to reconstruct a line segment and to combine two line segments together in 2 questions.
Curated OER
Intermediate Matching -- Shapes
Students match the following 10 shapes by drawing a line from their names to their pictures: circle, square, rectangle, cylinder, cube, sphere, oval, triangle, octagon and hexagon. This geometry instructional activity provides excellent...
Curated OER
Circles, Rectangles, Squares, Triangles
Students identify, compare and classify the various shapes. In this shapes lesson, students listen to descriptions of shapes with words such as sides, angles, congruent, and parallel. Students then give the teacher examples of shapes...
Yummy Math
A Cardioid for Valentine’s Day
It's Valentine's Day in geometry class! Celebrate the day of love with a heart-themed activity in which young mathematicians create a cardioid on polar graph paper.
Pyro Innovations
Get into Shape
Shapes are so fun! Little ones explore, identify, and create shapes using tangrams or pattern blocks. The activity is intended to stimulate critical thinking while engaging learners through play and shape identification. Each child will...
Curated OER
The Geometry of Solids
In this solids worksheet, students compute the volume of prisms, cylinders, pyramids, spheres and cones. This seven-page worksheet contains approximately 68 problems.
Curated OER
Constructions and Loci
In this geometry worksheet, students construct polygons and calculate the different angles formed by each shape. They construct circles, trapezoids, and rectangles and answer 20 questions.
Curated OER
Exploring Secants: Products of Segments
Students explore secants and circles. In this geometry instructional activity, students identify the properties of two and three dimensional shapes. They create arguments to prove the theorems are true.
Curated OER
Taxicab Metric, Circle
Students create a circle using the taxi-cab metric. In this geometry lesson, students identify the properties of circles. They identify the idea of geometric shapes and how they come about.
Curated OER
Sectors of Pizza
Students identify the properties of a circle. In this geometry lesson, students relate properties of diameter to sections of a pizza. They calculate the measure of an arc and missing angles.
Curated OER
Approximating Pi
Learners approximate Pi using the lower and upper bound for the constant. In this algebra lesson, students work in groups of two to graph a circle and approximate Pi using the circumference. They repeat their estimation until they come...
Curated OER
Circles Matching Worksheet
In this geometry worksheet, students trace the circles on the left side of the page and draw lines to connect them to the matching ones on the right.
Curated OER
Conic Sections and Locii
Students differentiate between ellipse and hyperbola. In this algebra lesson, students graph and solve elliptical equations. They use the cabri program to create the different conics and move them around.
Curated OER
Pushing Pivots
Students calculate the area and diameter length of a circle. In this geometry lesson, students investigate the use of pivots as they review parts of a circle. They create a circle using cardboard and label all the parts.