How to Fold Part 4
Folding a point to an edge
Bring the corner point down to meet the 90-degree (right angle) corner. On the side that has straight edges, make sure the edges line up. Then crease the fold.
Fold on the table, not in the air.
How to Fold Part 3
Folding adjacent edges of different lengths
Bring the edges of the angle together and line them up. To crease the fold, start from the pointy end.
Fold on the table, not in the air.
How to Fold Part 2
Folding adjacent edges
Bring the opposite corners of the paper together and line them up. Make sure the edges also line up, all the way to the point of the angle. Then crease the fold.
Fold on the table, not in the air.
How to Fold Part 1
Folding opposite edges
Bring the opposite edges of the paper together and line them up from corner to corner. Then crease the fold.
Fold on the table, not in the air.
Soma Cube Nets
Are your soma cubes taking too long to print in the 3D printer?
Try making them with these nets. Print them out, cut on the solid lines, and fold on the dotted lines. Use glue on the glue tabs to close the shape.
These may be a bit challenging.
Printable Rulers
Choose from 138 printable rulers, in PDF format, that you can download and print for free. Be sure to print at 100% or actual size so the rulers will stay true to size.
Orthographic Projection
Students may need help with the 5th grade Brain Teaser, which asks for orthographic drawings (but does not introduce the term). Here is a separate lesson you can provide as a supplement to MPACT to help students get a solid grasp on orthographic drawings (or projections).
3D Printing Toys as a Small Business
This article describes how a family got into 3D modeling and printing. Their hobby became a small business.
Wheeled Toys in Africa
You may want to use the photos to show students–these toys have a long history in sub-Saharan Africa and have become an art form for young people.
Build a Soma Cube
Turn newspaper into a soma cube and create a mathematical puzzle.