Assessment9:05
Mathed Up!

Enlargements

For Students 8th - 11th Standards
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...
Instructional Video5:11
Corbett Maths

Enlargements with Negative Scale Factor

For Students 6th - 12th Standards
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...
Worksheet
Curated OER

Enlargement Worksheet

For Students 3rd - 5th
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.
Worksheet
Curated OER

Enlargement

For Students 6th
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,...
Worksheet
Curated OER

Enlargement Worksheet

For Students 8th - 10th
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.
Worksheet
K12 Reader

What Causes Reflections?

For Students 2nd - 3rd Standards
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...
Lesson Plan
Curated OER

Shattered Images Value Study

For Teachers 9th - 12th
Young scholars create cubist drawings using grids and enlargement.
Activity
National Nanotechnology Infrastructure Network

The Micro and Macro World Around Us

For Teachers K - 12th
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...
Lesson Plan
Curated OER

A Different Point of View

For Teachers 3rd - 5th
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...
Activity
Exploratorium

Parabolas

For Teachers 9th - 12th
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...
Lesson Plan
Curated OER

Simple Machines IV - Levers

For Teachers 4th
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...
Lesson Plan
Bowland

Design the Mascot

For Teachers 6th - 9th
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.
Activity
Exploratorium

Whirling Watcher

For Teachers 4th - 7th
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...
Printables
Curriculum Corner

“I Can” Common Core! 1st Grade Math

For Teachers 1st Standards
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...
Lesson Plan
Curated OER

Lesson #2 ~ Nanoscience and Nanotechnology

For Teachers 9th - 12th
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...
Lesson Plan
Curated OER

Objects as Self

For Teachers 7th - 9th
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.
Interactive
CK-12 Foundation

Regular and Irregular Polygons: Polygon States

For Students 9th - 12th Standards
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.
Lesson Plan
Curated OER

Giant Museum

For Teachers 2nd - 4th
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.
Lesson Plan
Curated OER

Graphing X, Y, Z

For Teachers 7th
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.
Activity
Exploratorium

Bone Stress

For Teachers 6th - 9th
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...
Lesson Plan
Curated OER

Scaled Rubber Band Drawings

For Teachers 3rd - 5th
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...
Lesson Plan
Curated OER

One Good Turn Deserves Another

For Teachers 1st - 2nd
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.
Worksheet
Curated OER

Optics- The Study of Light

For Students 9th - 12th
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...
Lesson Plan
Curated OER

Simple Machines - Levers

For Teachers 4th
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...