Curated OER
The Trappings of Trapezoids
Students define trapezoids and their shapes. For this geometry lesson, students calculate the area of a trapezoid and a parallelogram. They use Cabri software to make investigations.
Curated OER
Geometry in Tessellations
Young scholars examine tessellations and their geometric properties. Students explore the concept of tessellations and lines, planes, angles, and polygons. Young scholars experiment with the area and perimeter of polygons. Students...
Curated OER
Fractions
Learners study fractions. In this art lesson, students fold paper, use origami, making new shapes and discuss the area of the shapes created.
Curated OER
Build a Weather Vane
Learners construct a weather vane using their knowledge of some geometric shapes. In this weather lesson, students work in pairs to create a weather vane in order to measure wind direction. Learners follow precise...
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
Let's Make Lemonade
Students respond to visual text. In this visual text lesson, students respond to the text, If God Gives You Lemons by making a poster advertising a lemonade sale. They listen to the story before decorating the posters with geometric...
Curated OER
Geo Jammin' - Day 4, Lesson 13: Where, Oh Where, Can the Geo Be?
Students listen to a story "My Crazy Dream" with an intent to identify shapes in ordinary objects. They raise their hands when they've heard an object whose shape they can identify. They discuss their findings.
Curated OER
Cut, Construct and Think - 6
Students identify polygons and calculate perimeter. In this geometric shapes lesson plan, students complete a worksheet identifying various polygons and calculating the perimeter of triangles and quadrilaterals.
Curated OER
Castles
Young scholars create a scale model to a castle using the dimensions they were given. They calculate the surface areas and volumes of each section of their castle.
Curated OER
Discovering Solids
Second graders engage in a lesson that is about the discovery of solids. They identify using shapes like cones, spheres, cylinders, and cubes in various different situations. Students explore the classroom in order to find examples of...
Illustrative Mathematics
Overlapping Squares
The objective of this activity is to find the percent of the area of a two squares overlapping. Mathematicians find the ratio of area for the part that overlaps to the rectangle formed. The final answer is a percent as a rate per 100....
Curated OER
Orbital path of Landsat
Students comprehend how Landsat satellites orbit teh Earth to produce images. They comprehend the elliptical path of satellites. Students recognize that a different orbital path is needed for different satellites to perform their tasks....
Mathematics Vision Project
Module 5: Modeling with Geometry
Solids come in many shapes and sizes. Using geometry, scholars create two-dimensional cross-sections of various three-dimensional objects. They develop the lesson further by finding the volume of solids. The module then shifts...
Curated OER
Chopping Cubes
Middle schoolers work in small groups to make various geometric solids with Play-Doh. They use fishing line to make cuts and observe the shapes of the cross-sections. Pupils complete an assessment in which they answer questions such as:...
Ohio Department of Education
Describing and Creating Plane Figures - Grade One
Young mathematicians draw, create, and describe different shapes using triangles. They discuss attributes of the original and created shapes. Pupils classify the created shapes and draw and write in mathematics journals to communicate...
Exploratorium
Beyond Dominoes: Polyominoes
Dominoes, polyominoes, tetrominoes, and pentominoes are the subject of this interesting math activity designed for middle schoolers. Pupils cut out shapes that are embedded in a worksheet in the plan, and experiment with them by...
Curated OER
Geometry: Translations and Reflections
Group work and participation is used to perform a specified translation or reflection. In this geometrical translation lesson, small groups of pupils are each given a shape to plot on a coordinate grid. Each shape is then translated or...
Houghton Mifflin Harcourt
Unit 6 Math Vocabulary Cards (Grade 4)
In need of math vocabulary cards? Use a set of 66 vocabulary cards with topics focused mostly on geometry terms. Each sheet has two cards on it. The top half has the word printed in bold text, while the bottom half has the card with...
Inside Mathematics
Population
Population density, it is not all that it is plotted to be. Pupils analyze a scatter plot of population versus area for some of the states in the US. The class members respond to eight questions about the graph, specific points and...
Curated OER
Puck's Girdle
Fifth graders calculate the perimeters, areas, and volumes of everyday objects. They discuss the word problem involving Puck from the Shakespeare play "Mid-Summer Night's Dream," and invent and plan a method for solving the problem in...
Curated OER
Parachutes: Is it Surface Area or Shape?
Students investigate how to make a good parachute. In this physics lesson, students observe the motion of parachutes as it falls and measure the time. They collect data and calculate the average descent time for each canopy shape.
Curated OER
Triangle Explorer
Students calculate the area of triangles using a variety of materials including computer applets.
Curated OER
Artistic Angles
Fifth graders explore angles by using protractors. They recognize, describe and determine the surface area and volume of three-dimensional shapes. Students recognize the right angle, acute angle, obtuse angle and vertex. They identify...
Curated OER
Sketching Cones
Young scholars sketch cones and identify its properties. In this geometry lesson, students calculate the surface area and volume of each three dimensional shape. they define and sketch prisms, pyramids and cylinders.