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Mathed Up!
Enlargements
Make enlargements with and without centers. Pupils work through seven problems dealing with dilations or enlargements. The first couple items are strict enlargements without centers, while the others have centers. Class members also...
Corbett Maths
Enlargements with Negative Scale Factor
How will a scale factor affect a figure—negatively? Using a grid, the narrator of an engaging video performs a dilation with a negative scale factor. The presenter compares a positive scale factor with a negative scale factor to explain...
Curated OER
Enlargement Worksheet
For this math worksheet, students find the centre of enlargement, scale factor and label the images. The images give a perspective of how the size scale changes.
Curated OER
Enlargement
In this enlargement instructional activity, 6th graders solve and complete 3 different types of problems. First, they enlarge the given shape by a scale factor of 3. Then, students find the scale factor of the next enlargement. Finally,...
Curated OER
Enlargement Worksheet
In this geometry worksheet, learners figure out the center of enlargement and the scale being used. They find the image and pre-image and label it. There are 7 questions.
K12 Reader
What Causes Reflections?
Your kids probably use mirrors every day, but do they know how they work? A reading passage about reflection and reflective objects can address both physical science and reading comprehension. Kids read the paragraphs and use context...
Curated OER
Shattered Images Value Study
Young scholars create cubist drawings using grids and enlargement.
National Nanotechnology Infrastructure Network
The Micro and Macro World Around Us
Don't let your eyes play tricks on you ... use scale to keep your eyes in check! Young scholars observe images without scale and try to identify the structure. Then, they look at the same image with a scale bar and assess whether their...
Curated OER
A Different Point of View
Elementary schoolers utilize a pattern worksheet embedded in this plan to work on a deeper understanding of geometric concepts like symmetry and congruency. Since geometry is such a visual form of mathematics, this lesson should fit...
Exploratorium
Parabolas
A parabolic mirror toy demonstrates how concave mirrors objects reflect light and produce a realistic image at their focal point. This resource probably doesn't explain any more than the printed insert that accompanies such an apparatus...
Curated OER
Simple Machines IV - Levers
The lever is an everyday simple machine. Youngsters learn the principles of levers and explore their many uses. Groups of pupils perform a simple lab where they lift objects with a fulcrum while placing the load in a variety of...
Bowland
Design the Mascot
Explore how resizing an object affects its area. The set of lessons challenges young mathematicians to design a mascot for electronic devices. These designs undergo resizing to determine how scale factors of dilation affect area.
Exploratorium
Whirling Watcher
Pupils put together their own stroboscopes so that they can observe how cyclically moving images appear to merge into a singular object. This, and several other activities published by the same source, illuminate the way the brain...
Curriculum Corner
“I Can” Common Core! 1st Grade Math
Any first grader can master the Common Core math standards with this checklist! With each standard rewritten as an affirmative I can statement, children are provide with clear goals to work toward throughout the school...
Curated OER
Lesson #2 ~ Nanoscience and Nanotechnology
You might love this instructional activity, or you might not. Basically, high school scientists read through a script in which someone interviews a physicist, a biologist, and a chemist in regard to their use of nanotechnology. The names...
Curated OER
Objects as Self
Students examine how objects and setting help complete a self-portrait. They analyze Franklin's self-portraits before creating their own. They try to create the self-portrait as if they were in Franklin's time.
CK-12 Foundation
Regular and Irregular Polygons: Polygon States
Colorado would probably object if Wyoming enlarged its borders. Scholars use an interactive map to change the borders of U.S. states to see how angles change. They then answer questions about regular and irregular polygons.
Curated OER
Giant Museum
Scholars make a giant scale model of an object. They will take a regular item and enlarge it to five times its length and width. They attempt this same concepts with a 3D model.
Curated OER
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.
Exploratorium
Bone Stress
Lighten up a bit with this activity! Use an old-fashioned overhead projector to shine light through a pair of polarizing filters. Place a stressed plastic object in between and display the colors of light waves revealed! Rotate the...
Curated OER
Scaled Rubber Band Drawings
Students demonstrate the process of creating a scaled rubber band enlargement of a simple drawing. They observe and discuss a teacher-led demonstration, and create a scaled rubber band enlargement of simple drawings and their invention...
Curated OER
One Good Turn Deserves Another
Students make observations about shapes and 1-, 2-, and 3-dimensional objects. They conduct observations and make predictions regarding transformations of simple geometric shapes. They identify shapes that occur in household items.
Curated OER
Optics- The Study of Light
In this optics worksheet, students read about refraction and reflection, lenses and mirrors, and objects and images. They answer 13 matching questions about light rays, light behavior and types of lenses. They also answer 9 questions...
Curated OER
Simple Machines - Levers
Fourth graders lift objects with the fulcrum and load in various positions and then experiment with how much force is exerted by the effort and load arms of the lever. They place 5 paper clips in the load and move the fulcrum to match...