Illustrative Mathematics
Distance across the channel
Here you will find a model of a linear relationship between two quantities, the water depth of a channel and the distance across the channel at water level. The cross section of the channel is the shape of an isosceles trapezoid. The...
Curated OER
Finding the Area of Polygons
Third graders are exposed to finding the area of polygons by decomposing figures and recomposing them into rectangles. This strategy allows children to expand on their prior knowledge of constructing shapes by rearranging parts into...
Willow Tree
Bar Graphs
Circles, lines, dots, boxes: graphs come in all shapes in sizes. Scholars learn how to make a bar graph using univariate data. They also analyze data using those bar graphs.
Balanced Assessment
Square and Circle
To determine the dimensional change to quadruple the area, class members determine how to increase the dimensions of a square and a circle to increase the perimeter by a given factor. they then calculate the necessary factor to...
Radford University
Coal Silo Design Task
The coal is mined. Now what? Scholars design a coal silo that stores mined earth using at least two different three-dimensional shapes. They calculate the volume, determine the amount of mined earth produced in a day, and find the amount...
Curated OER
Spacemobiles
Aspiring astronauts construct a space vehicle using cylinders, cones, spheres, and rectangular prisms. This is an engaging method of learning about three-dimensional shapes. Note that the word cylinder is constantly misspelled in the...
Curated OER
Straws and Shapes
Students investigate the concepts related to observing two dimensional objects. They also build three dimensional objects using the two dimensional objects. The students give an oral or written explanation for how the pieces fit together...
Curated OER
Perimeter and Area of 2D Shapes
Young scholars find the perimeter and area of circles, triangles, and rectangles. In this perimeter and area activity, the teacher gives students formulas for each shape and measurement and works through examples on the board. While no...
Pennsylvania Department of Education
Creating Polygons
Students describe, make and compare polygons. For this creating polygons lesson, students identify properties of quadrilaterals and describe common features of two dimensional shapes.
Curated OER
Metallic Mosaic
Students engage in a lesson about polygons while creating a mosaic pattern. They concentrate upon creating a pattern that is geometric and has the look of a quilt design. The lesson includes steps to complete the project and helpful hints.
Curated OER
Isosceles Right Triangle
In this isosceles right triangle worksheet, 10th graders solve and complete 5 different constructions of composition and decomposition. First, they make 4 congruent isosceles triangles with the model on the left. Then, students create...
Curated OER
Symmetry Fun
In this symmetry worksheet, 7th graders identify and complete 12 different lines of symmetry in polygons. First, they color all of the polygons that have a line of symmetry. Then, students circle all of the regular polygons and use the...
Curated OER
Maths at the Mill; A Mathematical Trail Around Sarehole Mill
In this math activity, students solve math problems based on a trip around the Sarehole Mill. The activity includes black and white photographs of the site as well as questions that relate to the mill. Students answer questions about...
Curated OER
Volumes of Solids
In this volume worksheet, students observe diagrams and extrapolate the correct items to plug into a formula for volume. They find the volume of triangular prisms, cylinders, cones, rectangular prisms, and rectangular pyramids. Four of...
Curated OER
Identify Faces
For this solid shapes worksheet, students learn to identify solid shape faces. Students identify the solid shapes and the faces in the six word problems.
Curated OER
Shapes
In this shapes activity, students identify shapes according to sentences that describe them. Students identify 8 shapes, but have 14 to choose from.
Curated OER
Tessellation Trial and Error
In this interactive instructional activity, students review attributes of equilateral polygons. They are introduced to the concept of a tessellation. Using protractors and pre-cut shapes, students arrange a variety of tiles to create...
Curated OER
4 Shapes in 1
In this geometric shape worksheet, students respond to 4 questions that require them to connect the midpoints in the 4 figures and identify the new shape the connections create.
Curated OER
Creating Shapes
In this geometry skills lesson, students respond to 4 questions that require them to examine the pictured shapes and follow the instructions to create new shapes out of them.
Curated OER
Solid Shapes
In this solid shapes worksheet, students count and name shapes, write the names of missing shapes, write about the difference between a rectangular prism and cube and build designs.
Curated OER
Attributes of Solid Shapes- First Grade Reteaching Worksheet
In this attribute of solid shapes reteaching worksheet, 1st graders review the meaning of faces, corners, curves, and edges. They complete 8 examples by circling the curves, faces, edges, and corners on the given shapes.
Curated OER
Polygon Necklaces
Students explore geometry by creating jewelry in class. In this polygons lesson, students identify different shapes and characteristics while creating polygon figures from construction paper. Students utilize a multitude of shapes...
Curated OER
Using Geometric Shapes in Architecture
Third graders identify two and three dimensional shapes used in architectural designs by viewing images on the Internet. For this geometry lesson, 3rd graders create their own building designs and identify the geometric shapes that...
Curated OER
Worksheet 13
In this math worksheet, students write down the equation of a plane. Then they create the equation of a line. They also define the lines that are perpendicular.