Illustrative Mathematics
Use Cavalieri’s Principle to Compare Aquarium Volumes
Learners are designing a stunning new water feature for an aquarium, but they soon discover that more than just a pretty home for their fishy friends is required. From calculating the volume of a composite shape through the...
Curated OER
Volume of Cones
Students identify the volume of cones and pyramids. In this geometry lesson, students derive the formula for cones and pyramids. They calculate the volume of cones and other three dimensional shapes.
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Perimeter and Area
In this perimeter and area activity, students find the surface area of given polygons. They determine the area of shaded regions. This one-page activity contains 10 multiple-choice problems. Answers are provided.
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Effective Use of Living Space
Students explore the concept of scale. In this scale lesson, students create a scale model of a room. Students calculate the area of a room. Students determine what percentage of the room is occupied by furniture.
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Area: Algebra/Geometry Institute Summer 2009
Students compute the area of a rectangle. In this area lesson, students measure the sides of rectangles and squares. They cut figures, measure them, and determine the area of each given figure. Students justify their...
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Exploring the Orthocenter of a Triangle
Young mathematicians explore the concept of triangles as they construct altitudes of triangles to find the orthocenter. Learners construct their triangles using Cabri Jr. on their graphing calculators and find that the altitudes of a...
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Area and Perimeter of Compound Shapes (F)
In this area and perimeter worksheet, students find the area and perimeter of compound shapes containing numbers with decimals. Students complete 6 problems.
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Area and Perimeter of Compound Shapes (H)
In this area and perimeter worksheet, students find the area and perimeter of compound shapes containing numbers with decimals. Students complete 6 problems.
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Area and Perimeter of Compound Shapes (I)
In this area and perimeter instructional activity, students find the area and perimeter of compound shapes containing numbers with decimals. Students complete 6 problems.
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Area and Perimeter of Compound Shapes (A)
In this area and perimeter worksheet, students find the area and perimeter of compound shapes containing numbers with decimals. Students complete 6 problems.
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Lengths, Areas and Shapes - Week 9
In this lengths, areas and shapes worksheet, students explore overlapping and non-overlapping patterns. They identify the number of objects in a pattern, determine how the pattern may be folded to create additional patterns, and...
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Leveled Problem Solving Areas of Triangles and Trapezoids
For this geometry worksheet, 6th graders calculate the area of triangles and trapezoids using the given formulas. They use the formulas to find measurements of lines that are part of the triangles and trapezoids.
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Super Shapes Part 2 - Circles
Through the use of Internet, video, and hands-on activities, youngsters learn the parts and characteristics of a circle. This fantastic lesson has some excellent website activities included in the plan. Your kids will have a much greater...
Annenberg Foundation
Geometry 3D Shapes: Test Your Skills
Time to find out what they've learned! The final lesson of a five-part series has learners complete a 39-question multiple choice review. They use what they've learned in the previous lessons to complete questions that include concepts...
Teach Engineering
Density Column Lab - Part 2
Groups suspend objects within layers of liquids to determine the densities of different liquids and compare them to the densities of objects calculated in Part 1. The groups then carefully test their calculations by layering the...
Illustrative Mathematics
Shape Hunt Part 1
The hunt is on! Send young mathematicians on a search for shapes in the first instructional activity of this two-part series. Each time a child finds a hidden shape, he draws it on his paper, and continues searching for the rest. Perform...
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Length, Perimeter, and Area
Learners explore the concepts of length, perimeter, and area. In this math activity, students use Shape Explorer to practice finding length, perimeter, and area.
Improving Measurement and Geometry in Elementary Schools
The Sum of the Interior Angles of a Polygon
Junior geometers discover that polygons can be decomposed into triangles and that the number of triangles can be determined by a rule. Note that the Geometer’s Sketchpad® software is required to carry out all components of this...
Curated OER
Turn UP the Volume!
Eighth graders find the surface area and volume of the figures and enter formulas into the spreadsheet to calculate surface area and volume for the given figures. They also find the volume and determine the shape which has the least...
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Geometry Finding Pentominoes
Students explore the characteristics of geometric shapes. In this geometric shapes lesson, students use tiles to draw pentominoes. Students participate in various learning center activities focused on configuring pentominoes.
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Cap-It to the Max
Eighth graders compare the volume of three cylinders constructed from the same size sheet of paper. They use concrete and graphical models to derive formulas for finding perimeter, circumference, area, and volume of two and three...
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Nets And Surface Area
Upper graders investigate how to find the surface area when using two-dimensional shapes. They conduct an investigation in groups while working sample problems given during class discussion with the teacher. They also review how to...
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Solids...Volume and Surface Area
In this volume and surface area worksheet, students find the volume and surface area of different solid figures. Students complete 8 problems.
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Gingerbread Baby's Point of View #8
Read the story Gingerbread Baby and use these various activities to connect to grammar, art, and point of view. In one activity, learners create character masks. They practice writing verbs on the back of the masks to tell what each...