Curated OER
Area of Triangles 1
In this geometry instructional activity, 10th graders solve problems involving area of a triangle. The instructional activity contains a combination of problems drawn on a grid and those with the dimensions labeled. The two page...
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Scaling Down, Scaling Up
Students understand the meaning of scale and calculate various problems related to Cyberchase videos. In this scaling lesson, students measure a Proporciona boat using blades of grass. Students calculate dimensions based on a scale for...
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Geometry and Spatial Sense
Students investigate geometric shapes in 2 and 3 dimensions. In this geometry lesson, students create a model chocolate factory working in groups and using an actual cake. Students take a quiz about measurement equations dealing with...
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Geometry and Rubik's Cube
Young scholars explore geometry using a Rubik's Cube. For this 2-D and 3-D shapes lesson, students use the Rubik's Cube to find the center, edge and corner pieces. Young scholars then find the dimensions of the Rubik's Cube and read the...
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10-7-09 Quiz: Slope and Area
In this slope and area instructional activity, students solve 2 short answer multi-step problems. Students determine the length of a wire given dimensions of a rectangle. Students find the slope of a line through a point on a curve.
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Let's Make a Compost Cake
Students create a compost cake. In this gardening and decomposition science lesson, students review and describe the "nutrient cycle." Students create a compost pile, measure and record the dimensions and temperature of the pile, and...
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Proportionality, Ratios and Constant Variation
Students use Scion Image to estimate the proportion of space images. In this proportion lesson, students investigate the online site of Image of the Orbitor and relate the dimensions and sizes to known sizes.
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Matrix Multiplication
Students identify, analyze, and multiply matrices. They determine if various indicated operations are possible through classroom discussion and practice. Finally, students determine matrix product dimensions through problem-solving...
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The Next Dimension
Young scholars explore the three dimensional Cartesian coordinate system and discuss how it is important for structural engineers in order to be able to describe locations in space to fellow engineers. They participate in a hands-on...
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Subtraction of Matrices
In this subtraction of matrices worksheet, 11th graders solve 10 different problems that include subtracting matrices from others. They determine whether each pair of matrices can be subtracted based on their entry size. Then, students...
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Dimensional Analysis
Twelfth graders examine different dimensions and units which go with a particular dimension. They explore the concept of linear measurement versus area. Students estimate area of 3-D objects. They practice converting from one unit of...
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Two for One Box Company
Eighth graders experiment to decide if a box that is twice as big holds twice a much. They work the concept of volume and how changing dimensions affect it.
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Prime and Composite Numbers, Prime Factorization
Students research prime and composite numbers. With a partner, students use graph paper to draw rectangles of various sizes. They list the dimensions of rectangles and discuss how the dimensions relate to the factors of each number....
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Effect on Surface Area and Volume
Students identify the effect the change of dimensions causes for the volume and surface area. In this geometry instructional activity, students compare perimeter, area and volume as they play around with the dimensions of the polygons....
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Living Room Redecoration
The student calculate area and perimeter based on the dimensions of a living room. They determine the amount of supplies needed for painting and carpeting the room. Students create a portfolio of their information.
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Design a Track
Students investigate track and field dimensions, measure an actual track, and construct a scale model. The use of a meter stick, dimensional analysis, and the application of the distributive property to variables forms the main focus of...
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Building Log Cabins
Fourth graders design and create a log cabin in this lesson. They use ratios to help make dimensions of a house. They draw out how they want their house to look and gather the materials they need to complete the house. The log cabins...
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Optimizing Perimeter and Area
In this math worksheet, students examine the possible dimensions to construct two different fences. They try to maximize the area for the best value of space.
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Squares
In this squares learning exercise, 10th graders solve and complete 7 various types of problems. First, they divide a product of one with a square of the other. Then, students find the dimensions of a rectangle that will maximize the...
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Exploring Volume of Cylinders
Tenth graders investigate the volume of a cylinder. In this geometry lesson plan, 10th graders create three-dimensional cylinders and use a ruler to determine the dimensions. The lesson plan progresses to the use of the formula to find...
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Double, Double: Looking at the Effect of Change on Perimeter, Area and Volume
Students explore perimeter, volume, and area. In this math instructional activity, students explore how changes in dimensions of geometric shapes affect the perimeter, area and volume of the various shapes. Students investigate the...
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Health Styles
Students define and compare health terms. They estimate a person's health status on each dimension of health. They describe the major determinants of health.
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Wave Equations
Students manipulate a model of a wave in order to solve the wave equation in 1 dimension. By using a model of a wave on a string the student is able to change the tension, length, and mass of the string as well as fix either end of the...
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Spaced Out
The students are able to use a formula to calculate the volume of cuboids by measuring the length of each of the three dimensions. They also investigate the relationship between milliliters and cubic centimeters.
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