Icosahedron Ornamentation Balls Tutorial

To assist celebrate the terminate of school, I declared the twenty-four hr menses earlier the lastly twenty-four hr menses to live "Bring Your Sister To Work With You Day."  I cleared it amongst my principal beforehand.  My sis is my best friend, in addition to I've told my students lots of stories virtually her over the course of teaching of the schoolhouse year.  So, they've been begging to run across her for months.  Since she is inward college, her semester ends a calendar week or 2 earlier ours.  This allowed her the chance to come upward in addition to visit.

My Sister in addition to Me

My kids were amazed yesteryear my sister.  The await on students' faces every bit they walked inward the room in addition to saw my sis in addition to me was priceless!  Some fifty-fifty mistook her for me.  Are you lot guys twins?  Nope, we're iii years apart. This is in addition to then weird!  You guys fifty-fifty audio the same!  Though, ane pupil said that my phonation was a piddling higher than my sister's.  And, some other pupil inward a dissimilar hr claimed that our voices were almost the same, but my sister's phonation is a flake higher than mine.  I'm non certain who to believe.  We also heard from multiple students that nosotros cause got the exact same laugh.  That's expert to know.  Another pupil claimed, inward amazement, that nosotros also wearing clothing alike.

The fact that they had to telephone band us Ms. Hagan was almost besides much to handle.  One degree decided to differentiate betwixt us yesteryear calling me Ms. Hagan 1 in addition to my sis Ms. Hagan 2.  My 6th hr referred to my sis every bit Ms. Hagan in addition to myself every bit Ms. Nagah (which is Hagan backwards, yesteryear the way!)  My 5th hr wanted to refer to me every bit the master copy Ms. Hagan, but that implied that my sis was the imposter Ms. Hagan which did non acquire well.  :)  Then, at that topographic point was the pupil who decided they should simply rename us Tweedledee in addition to Tweedledum.  When she suggested that I could live Tweedledum, I asked her what she was implying.  Overall, it was fun to innovate them to my sister.  Though, I'm pretty certain that they similar her means ameliorate than they similar me.  

She didn't simply come upward in addition to visit.  She also brought a projection to hit amongst my kiddos.  Lots in addition to lots of circles.  Hundreds of them!  

Scrapbook Paper Circles

She also brought curling ribbon in addition to equilateral triangles cutting out of white carte stock.  She brought some gum sticks, in addition to I also retrieved some from my cabinet.

Supplies

While waiting for schoolhouse to start, she made me several tiny origami flappy birds.  Sadly, the wings of the tiny flappy birds barely flap.   But, they were nonetheless cute!

Miniature Origami

Our projection for the twenty-four hr menses was to brand an icosahedron decoration ball.  My sis in addition to I both made these for the start fourth dimension every bit seventh graders inward Mrs. Seller's Pre-Algebra class.  We made ours out of recycled Christmas cards.

Here, some students proudly display their finished products.

The Finished Products

After folding lots of circles/triangles, the students gum them together to shape an decoration ball.

Folded Triangles/Circles

Here are the icosahedron decoration balls inward the procedure of beingness assembled.

The Assembly Process



Here are some decoration balls that my students completed.

Finished Products


So, how hit you lot brand your own?  

If you're entirely making one, you lot could likely acquire yesteryear amongst cutting out your circles yesteryear hand.  Each icosahedron decoration ball takes 20 circles.  My sis used a circle punch to punch out her circles in addition to salvage her sanity.  She used a 2 1/4" circle punch, but whatsoever size circle volition work.  Larger circles volition hit a larger decoration ball.  

Circle Punch - An Amazing Tool!

She punched the circles out of random leftover scrapbook newspaper in addition to these booklets of photograph mats that she picked upward at Wal-Mart for or in addition to then iii dollars.  The modest size made manipulating the punch much easier.

Photo Mats

You're going to demand to cutting an equilateral triangle template whose points residual on the border of your circle.
Equilateral Triangle Pattern

Lay the template on top of each circle in addition to laid about folding over the edges.  
Folding Over the Edges


After folding over 2 of the edges, it is normally easiest to take away the template earlier folding over the concluding edge.  This reduces the hazard that your triangles volition non gibe upward when gluing.

Two Down - One to Go! 


Folds Completed


Influenza A virus subtype H5N1 modest gap inward the middle of triangle is fine.  Gaps on the vertices of the triangles are bad.  Pretty soon, you'll cause got a pile of triangles.  Remember, you lot demand 20 of them!

Waiting to Assemble

My sis made 2 partial pieces to demonstrate the structure procedure to my students.  I see this was a vivid idea.  She's going to definitely brand a groovy fine art teacher!

First, students demand to accept v of their triangles in addition to gum them together to shape a dome.

Completed Top Dome

You are truly going to demand to brand a dome for the top of the ball in addition to a dome for the bottom of the ball.  The top dome needs a curling ribbon hanger.  Take a slice of curling ribbon, knot it, in addition to identify it inward the middle of the dome earlier gluing the lastly 2 triangles together.

We had lots of dissimilar colors of curling ribbon to select from.

Curling Ribbon

The bottom dome is created inward the same way, simply without the ribbon.

After using v pieces to brand the top dome in addition to v pieces to brand the bottom dome, you lot should cause got x pieces left.

Glue these x pieces together, inverting every other triangle, in addition to then that the pieces shape a business amongst a apartment top in addition to apartment bottom.

Here, my sis glued v pieces together to demonstrate the procedure to the class.

Sample of How to Construct Sides of Icosahedron Ball

At the terminate of the day, nosotros took my sister's sample pieces in addition to added to a greater extent than pieces to shape a consummate ball.  Here's the top in addition to bottom domes.

Top in addition to Bottom Domes

And, hither are the x pieces that volition brand upward the middle of the ornament.

Middle of Ornament

The best means to acquire virtually this adjacent pace is to plow over your long strip of triangles in addition to apply gum to the top or bottom of the strip.  Then, laid about attaching each slice amongst gum on it to a department of ane of your domes.  Then, add together gum to the remaining pieces in addition to attach the other dome.  
Applying Glue to One Side of Strip


Here's a motion painting my sis snapped of me inward the procedure of gluing my icosahedron decoration ball together.

Moi :) 

Here are pictures of my finished ornament!  So pretty!

The Finished Product


Showing Off My Creation


By the terminate of the day, I had gained a collection of left behind decoration balls inward the dorsum of my classroom.  Well, I gauge ane of these was mine in addition to ane was my sister's, but the residual of them were pupil creations that didn't acquire far home.

Ornaments 

If you lot wanted to brand this to a greater extent than math-related, you lot could cause got students cutting their circles out of colored cardstock in addition to decorate each circle to reverberate something that they learned this year.  I'm pretty certain that's non an master copy idea.  I see I saw it on Pinterest once, but I can't honor it.

You could accept Tina Cardone's Fan Posters Project in addition to plow it into Fan Icosahedron Ornament Balls.  Pass out circle templates in addition to cause got each pupil write affirming statements virtually their classmates on a circle.  Sort the circles yesteryear student.  Then, cause got the students gather their ain decoration ball that is covered amongst words virtually them.  Maybe students would live to a greater extent than probable to proceed them if they were customized?

I ended upward giving all the leftover ornaments to ane of my students who is going to purpose them to decorate her bedroom.

I could also see this every bit a culminating geometry project.  Each triangle could live decorated amongst a dissimilar theorem?  Or geometric vocabulary discussion in addition to illustration?  Perhaps this could live turned into an activeness of geometric construction?  Use a ruler in addition to reach to cook the necessary pieces without a template?    

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