Curated OER
Transformations and Matrices
There are four activities in this extensive lesson plan covering the identity matrix and scaling, the linear representation of translations, the linear representation of rotations, and reflections. In small groups, they use the Cabri II...
Illustrative Mathematics
Floor Plan
A multi-step problem has learners finding the actual area based on a scale drawing and then converting units at the end. Two different solution choices are listed depending on the preference on which step to start first. Both methods can...
Curated OER
Perimeter
Have your class practice finding the perimeter of several given shapes. This slide show includes a definition and example of how to find perimeter along with several practice problems for the class to solve.
Texas Instruments
What's the Scale?
Pupils will analyze scales as related to models and real life in this geometry instructional activity. They work together to compare the dimensions on a model as compared to the real building.
Curated OER
Measuring Speed in the Universe
For this measuring speed in the universe worksheet, students use photographs of 3 astronomical phenomena including supernova explosions, coronal mass ejections and solar flare shock waves to find how fast they move. The photographs show...
Curated OER
Dilation
Tenth graders identidy and define various geometry terms, Students create exact replicas of a shape that is either smaller or larger than the original shape. Students prove that their entire shapes are larger or smaller in the same...
Hofstra University
New Functions From Old: Scaled and Shifted
Includes rules, examples, and sample problems on 6 different types of translations; vertical and horizontal shift, stretch, and reflection. Uses six basic functions (x, x^2, x^3, 1/x, x^1/2, and abs(x)) throughout examples, which makes...
Cuemath
Cuemath: Horizontal Scaling
Learn about horizontal scaling in detail and practice solving questions around it.
Cuemath
Cuemath: Vertical Scaling
Explore the world of vertical scaling in this mini-lesson. Provides a definition, interactive simulations, solved examples, and practice questions with answers that help with understanding.
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Scaling Three Dimensional Figures
Get independent practice working with scaling three-dimensional figures. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Science Education Resource Center at Carleton College
Serc: Mapping Your World
This activity serves as an introduction to mapping skills and the classroom. Students will create a map of the classroom, analyze and determine qualities that make a clear, concise map, then create a database of qualities they will use...
TeachEngineering
Teach Engineering: Stack It Up!
Students analyze and begin to design a pyramid. Working in engineering teams, they perform calculations to determine the area of the pyramid base, stone block volumes, and the number of blocks required for their pyramid base. They make a...
Khan Academy
Khan Academy: Fraction Multiplication as Scaling
Interpret how multiplying by a fraction greater or less than 1 affects the product. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Rigging Scaling Deformers
Students add scaling deformers to the model and then take a five-question quiz.
Khan Academy
Khan Academy: Scaling Items in a Scene
In this activity, students will arranging items with scaling. The items that just require translation are already in place. Now you can add items that require translation and scaling. Ignore any item that requires rotation. Again, once...
National Council of Teachers of Mathematics
Nctm: Figure This: Statue of Liberty
Is the Statue of Liberty's nose too long? Challenge is to figure out the length of the Statue of Liberty's nose by knowing the length of her arm.
PBS
Pbs Learning Media: Scaling
This interactive exercise focuses on visually comparing multiplicative and additive relationships.
Other
Stat Soft: Statistics Glossary
Dozens of statistical terms are defined and illustrated in this glossary.
Mathematics Archives
Math Archives: Visual Calculus: Scaling of Functions
Draw the graphs of the functions y = f(x), y = f(2x), and y = f(x/2), for practice with scaling.