Curated OER
Ratios and Proportions
In this ratios and proportions worksheet, students complete a series of short answer questions based on different charts and word problems dealing with ratios and proportions. Students complete 9 problems.
Curated OER
Triangles & Congruence, Proportions & Similarity, Right Triangle & Trigonometry
Students are introduced to the topic of congruence and proportions in Geometry. Using technology, they construct and validate the properties of various geometric figures and identify whether it is congruent or proportion to the objects...
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Graphing X, Y, Z
Seventh graders explore how proportion controls the image of a drawing. They examine a coordinate plane and discuss plotting. Student experiment drawing an object one size, and then drawing an identical object on a different scale.
Curated OER
Investigation - The Local Bagel Shop
Sixth graders investigate unit pricing to find which cup of coffee is a better buy. They use ratio and proportions to solve problems involving a change of scale in drawings, maps, recipes, etc. Students determine the unit cost of items...
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Size It Up: Map Skills
Compare information from a US population cartogram and a standard US map. Learners draw conclusions about population density by analyzing census data a population distribution. They discover that census data is used to apportion seats in...
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Similar Triangles
Tenth graders practice solving proportions from similar triangles. They watch a PowerPoint presentation and complete a worksheet each of two days of this lesson. Links for worksheets and PowerPoint presentations are included with this...
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Equations from Unit Rates
Your class can become linear equations masters, as they calculate the rate of change of a function. They observe different types of coordinates as they relate to a graph, then use the Ti-navigator to move the line around and draw...
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60-30-10
Students use ratios and proportions to represent quantitative relationships as they investigate the concept of how percentages are used by designers. Students decorate the same room using three different percentages of colors.
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Modeling Linear Relationships
Students graph lines using the slope and y-intercept. In this algebra lesson, students create data using tables and equations. They use their data to make predictions and draw conclusion.
EngageNY
Margin of Error When Estimating a Population Proportion (part 1)
Use the power of mathematics to find the number of red chips in a bag — it's a little like magic! The activity asks learners to collect data to determine the percentage of red chips in a bag. They calculate the margin of error and...
EngageNY
Special Relationships Within Right Triangles—Dividing into Two Similar Sub-Triangles
Why are right triangles so special? Pupils begin their study of right triangles by examining similar right triangles. Verifying through proofs, scholars recognize the three similar right triangles formed by drawing the altitude. Once...
Curated OER
Ratio and Proportion Crossword Puzzle
In this Algebra I learning exercise, 9th graders solve a crossword puzzle that is based on the vocabulary associated with ratio and proportion. The one page interactive learning exercise contains fourteen clues and is self checking.
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Informed Drawing Through Observation
Students practice observation techniques to improve their drawing skills. In this drawing technique lesson, students assess drawing as an art media and discuss realism. Students view examples of animal drawings and practice drawing using...
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Portrait Drawing Using a Model - Activity 1
Students create a realistic portrait using a live model and charcoal in this introductory art lesson on portrait drawing. A video and resource links are included to aid in instructional strategies.
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Countdown Challenge: Measuring Angles
In this measuring angles instructional activity, learners draw hands in clock face to depict a given time. Next, they observe the angles created by the hands and determine the number of degrees. Students write proportions to solve the...
National Security Agency
It's Probably Probable
Learners make predictions and draw conclusions from given information as they learn the meaning of probability in this vocabulary-rich, integrated activity that presents a variety of teaching strategies to motivate and reach all learning...
Curated OER
Drawing Birds
First graders discuss what they know about birds and share picture books. They read text on the page and discuss the question and draw the flying bird on their paper by having them look at the color drawing of the bird.
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Drawing Lessons
Pupils recognize and respond to the content of visual art using art vocabulary. They recognize the differences between art materials, techniques, and processes.
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Lesson: New Museum Design Activity
After viewing images of vernacular and alternative architecture, budding designers collect materials to construct their own spacial design. They use gathered materials to construct a 3D model of the class space in a new way, yet...
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Draw Like an Egyptian
Students discover the cultural history of Egypt by illustrating Egyptian figures. In this art history lesson, students analyze the Egyptian styles of figure drawings and emulate that by creating their own illustrations using an Egyptian...
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Scale Drawings
Students discuss the importance of scaling drawings. In this math lesson, students create a scaled drawing of circuit boards. They explain why accuracy is very important when scaling.
Curated OER
Portrait and Figure Drawing
Young scholars investigate the self-portraits and figure drawings of famous artists such as Käthe Kollowitz, Pablo Picasso, Rembrandt and others following their own attempts to create their expressive original drawings.
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Drawing Anime Style
Students use a graphic organizer to explore the drawing style known as Anime. They conduct research from a variety of internet resources to come up with a better comprehension of the style and how it is drawn.
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Set Design
Students explore proportional reasoning. In this middle school mathematics lesson students investigate scale drawings as they create a proportional representation for the carvings on Mt. Rushmore.