# Regular Polyhedra Christmas Ornament Nets

November 28th, 2011 by Steven Pomeroy | Filed under Polyhedron Nets, Regular Polyhedra.

## Platonic Solid Christmas Ornaments

It’s that time of the year again, and this Christmas season we have something special for you – Platonic Solid Christmas Ornaments! These Platonic Solid nets are ready for you to print out and fold into the coolest math Christmas ornaments on the planet! Simply cut out the pattern, and fold along the grey lines. Fold the tabs into the solids and adhere with double-stick tape or glue. Alternatively, you can simple tape the sides together with regular tape. After you get the solid constructed, attach some string and add it to your tree. Santa will be so impressed, he will surely leave extra presents for you!

These polyhedron nets make great Christmas math activities for kids! If you are a teacher, this will be a good basis for introducing your students to polyhedra – in this case the five regular polyhedra (the Platonic Solids). All five Platonic solids are here in their Christmas costumes: tetrahedron, hexadedron, octahedron, dodecahedron, and the icosahedron. If you want some material for your lesson plan, here is the link to the Platonic Solids at Wikipedia.

All files are in .PNG format (Portable Network Graphic). Simply click on the image you desire to get the full size, and then right-click on it to get the “save as” option (or print it while viewing the full sized graphic).

These are the first in this series, but more will be added later. Check back to see when more are added, or if you are on Facebook, you can get updates there – just visit our Facebook page and “Like” us!

#### Green Tetrahedron Polyhedron Net

#### Red Tetrahedron Polyhedron Net

#### Santa Tetrahedron Polyhedron Net

#### Baby Jesus Tetrahedron Polyhedron Net

#### Poinsettias Tetrahedron Polyhedron Net

#### Snowflakes Tetrahedron Polyhedron Net

#### Candy Canes Tetrahedron Polyhedron Net

#### Christmas Motif Tetrahedron Polyhedron Net

#### Santa Shadow Tetrahedron Polyhedron Net

** Green Hexahedron Polyhedron Net**

#### Red Hexahedron Polyhedron Net

#### Santa Hexahedron Polyhedron Net

#### Baby Jesus Hexahedron Polyhedron Net

#### Nativity Hexahedron Polyhedron Net

#### Merry Christmas Hexahedron Polyhedron Net

#### Christmas Bear Hexahedron Polyhedron Net

#### Poinsettias Hexahedron Polyhedron Net

#### Snowflakes Hexahedron Polyhedron Net

#### Candy Canes Hexahedron Polyhedron Net

#### Christmas Motif Hexahedron Polyhedron Net

#### Santa Shadow Hexahedron Polyhedron Net

#### Green Octahedron Polyhedron Net

#### Red Octahedron Polyhedron Net

#### Santa Octahedron Polyhedron Net

#### Baby Jesus Octahedron Polyhedron Net

#### Poinsettias Octahedron Polyhedron Net

#### Snowflakes Octahedron Polyhedron Net

#### Candy Canes Octahedron Polyhedron Net

#### Christmas Motif Octahedron Polyhedron Net

#### Santa Shadow Octahedron Polyhedron Net

#### Green Dodecahedron Polyhedron Net

#### Red Dodecahedron Polyhedron Net

#### Santa Dodecahedron Polyhedron Net

#### Baby Jesus Dodecahedron Polyhedron Net

#### Nativity Dodecahedron Polyhedron Net

#### Christmas Bear Dodecahedron Polyhedron Net

#### Poinsettias Dodecahedron Polyhedron Net

#### Snowflakes Dodecahedron Polyhedron Net

#### Candy Canes Dodecahedron Polyhedron Net

#### Christmas Motif Dodecahedron Polyhedron Net

#### Santa Shadow Dodecahedron Polyhedron Net

#### Green Icosahedron Polyhedron Net

#### Red Icosahedron Polyhedron Net

#### Santa Icosahedron Polyhedron Net

#### Baby Jesus Icosahedron Polyhedron Net

#### Poinsettias Icosahedron Polyhedron Net

#### Snowflakes Icosahedron Polyhedron Net

#### Candy Canes Icosahedron Polyhedron Net

#### Christmas Motif Icosahedron Polyhedron Net

#### Santa Shadow Icosahedron Polyhedron Net

### Happy Holidays from Math Tricks!

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When I was young my father did a trick that required several rows of numbers such as this, 5432 my father would wright the

first line then I would wright 9764 the alternet numbers, him,

then me. At the end my father 2381 would wright the answer

with out adding. 5432

Have you and do you know this trick.

Nope – Sorry Julie. I never heard of this one before.

[…] Here is a fun little activity that you can use to make Christmas tree ornaments and teach about 3D nets at the same time. This website has created numerous, printable holiday themed nets of the five platonic solids: the tetrahedron (4 sides), hexahedron(cube), octahedron (eight sides), dodecahedron (12 sides) and icosahedron (20 sides). There are enough winter themed nets that you could also do this activity after Christmas. […]

Hi Julie and Math Tricks,

The trick your Dad used sounds like one I’ve heard of. Each time you wrote a number, he would choose his next number so that your two numbers together would add up to 9999. (so, if you write 5432, he would write 4567. If you wrote 2020 he would write 7979) all he would need to do then, would be to add 10 000 x (number of pairs) + (first number) then subtract (number of pairs).

Try it with a short sequence.