Instructables: exploring - technology - science - math http://www.instructables.com Wed, 22 May 2013 07:12:44 PDT BLOX v1.01 How to Multiply by 11 Quickly http://www.instructables.com/id/How-to-Multiply-by-11-Quickly/
How to Multiply by 11 Quickly - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FFL/8W0B/HF23Y9MX/FFL8W0BHF23Y9MX.SQUARE2.jpg http://www.instructables.com/files/deriv/FFL/8W0B/HF23Y9MX/FFL8W0BHF23Y9MX.SQUARE.jpg http://www.instructables.com/files/deriv/FFL/8W0B/HF23Y9MX/FFL8W0BHF23Y9MX.SMALL.jpg limit01 Multiplying by numbers less than 11 is easy. However, using the fact that 11 = 10 + 1, there is a way to multiply by 11 quickly, in less than 15 seconds. Prepare To Add Put down the last digit of the number on the right-most side of the answer, like the image shows. Add the side-by-side digits ...
By: limit01

Tue, 9 Apr 2013 07:49:02 PDT
Simplifying an Expression http://www.instructables.com/id/Simplifying-an-Expression/
Simplifying an Expression - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F2N/RCVO/H98RWAK0/F2NRCVOH98RWAK0.SQUARE2.jpg http://www.instructables.com/files/deriv/F2N/RCVO/H98RWAK0/F2NRCVOH98RWAK0.SQUARE.jpg http://www.instructables.com/files/deriv/F2N/RCVO/H98RWAK0/F2NRCVOH98RWAK0.SMALL.gif dowewas After going through these steps you should know how to simplify an expression and use a calculator to check your answer. Rules The order in which we evaluate expressions can be ambiguous. First Step Because of the exponent we must compute it first. Notice that we are really just multiplying 2,...
By: dowewas

Wed, 7 Nov 2012 15:14:48 PST
BALLISTIC PENDULUM PHYSICS! http://www.instructables.com/id/BALLISTIC-PENDULUM-PHYSICS/ http://www.instructables.com/files/deriv/FKM/0Z2O/H2WEJRE0/FKM0Z2OH2WEJRE0.SQUARE2.jpg http://www.instructables.com/files/deriv/FKM/0Z2O/H2WEJRE0/FKM0Z2OH2WEJRE0.SQUARE.jpg http://www.instructables.com/files/deriv/FKM/0Z2O/H2WEJRE0/FKM0Z2OH2WEJRE0.SMALL.jpg Toga_Dan LEARNING OBJECTIVE: Conservation of momentum.     m1 * v1 = m2 * v2     Mass of the projectile times speed of the projectile before impact = mass of the pendulum times speed of pendulum+projectile after impact. The ballistic pendulum was invented in 1742 by English mathematician Benjamin Robins. San...
By: Toga_Dan

Tue, 5 Jun 2012 03:35:33 PDT
How to make a Klein Bottle http://www.instructables.com/id/How-to-make-a-Klein-Bottle/
How to make a Klein Bottle - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F35/37QC/GL4Z6HN8/F3537QCGL4Z6HN8.SQUARE2.jpg http://www.instructables.com/files/deriv/F35/37QC/GL4Z6HN8/F3537QCGL4Z6HN8.SQUARE.jpg http://www.instructables.com/files/deriv/F35/37QC/GL4Z6HN8/F3537QCGL4Z6HN8.SMALL.jpg Z.Backas A mathematician named Klein Thought the Möbius band was divine. Said he: "If you glue The edges of two, You'll get a weird bottle like mine." This Instructable will teach you how to make a Klien bottle, which is a bottle with no distinct inside or outside; a non-orientable surface. You can r...
By: Z.Backas

Sun, 13 Mar 2011 15:13:53 PDT
How to find the Least Common Denominator http://www.instructables.com/id/How-to-find-the-Least-Common-Denominator/
How to find the Least Common Denominator - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FBX/DMEZ/GJPJANQ3/FBXDMEZGJPJANQ3.SQUARE2.jpg http://www.instructables.com/files/deriv/FBX/DMEZ/GJPJANQ3/FBXDMEZGJPJANQ3.SQUARE.jpg http://www.instructables.com/files/deriv/FBX/DMEZ/GJPJANQ3/FBXDMEZGJPJANQ3.SMALL.jpg danielson2002 Follow these instructions to find the Least Common Denominator for any set of fractions. These instructions assume the reader is familiar with the basic concepts of addition, subtraction, multiplication, division, and the proper order of mathematical operations (i.e. Paretheses first, then exponent...
By: danielson2002

Thu, 3 Feb 2011 14:05:03 PST
How to Convert Between base-10, Hexadecimal, and Binary - More DIY How To Projects]]> http://cdn.instructables.com/FP1/G57Y/FXK6ACQD/FP1G57YFXK6ACQD.SQUARE2.jpg http://cdn.instructables.com/FP1/G57Y/FXK6ACQD/FP1G57YFXK6ACQD.SQUARE.jpg http://cdn.instructables.com/FP1/G57Y/FXK6ACQD/FP1G57YFXK6ACQD.SMALL.jpg nevdull There are 10 types of people in this world: Those who can read binary and those who can't. Many electronic and microcontroller projects require the use of a particular base numbering system, such as BCD on thumbwheel switches, hexadecimal (base-16) on hex encoders, and binary in shift registers and...
By: nevdull

Wed, 22 Sep 2010 10:35:49 PDT
How to find perimeters http://www.instructables.com/id/How-to-find-perimeters/
How to find perimeters - More DIY How To Projects]]> http://www.instructables.com/files/deriv/F2W/YL7V/G6MPC773/F2WYL7VG6MPC773.SQUARE2.jpg http://www.instructables.com/files/deriv/F2W/YL7V/G6MPC773/F2WYL7VG6MPC773.SQUARE.jpg http://www.instructables.com/files/deriv/F2W/YL7V/G6MPC773/F2WYL7VG6MPC773.SMALL.gif andyspam  This is a basic tutorial on how to find the perimeter and areas of polygons, and circles. With the help of this instructable you will be able to find the perimeter of a pentagon, square, or any other polygon. You will also learn how to find the circumference of a circle. Squares. Squares are v...
By: andyspam

Tue, 16 Mar 2010 17:17:32 PDT
Make A Height Measuring Tool. http://www.instructables.com/id/Make-A-Height-Measuring-Tool/ http://www.instructables.com/files/deriv/FO4/VOLT/G2WM242W/FO4VOLTG2WM242W.SQUARE2.jpg http://www.instructables.com/files/deriv/FO4/VOLT/G2WM242W/FO4VOLTG2WM242W.SQUARE.jpg http://www.instructables.com/files/deriv/FO4/VOLT/G2WM242W/FO4VOLTG2WM242W.SMALL.jpg signalred Using a few simple items, measure the height of any tall object, quickly and simply!
By: signalred

Tue, 8 Dec 2009 21:36:19 PST
High Tech Suggestions http://www.instructables.com/id/High-Tech-Suggestions/ http://www.instructables.com/files/deriv/FMO/R1CQ/FWBNM4VJ/FMOR1CQFWBNM4VJ.SQUARE2.jpg http://www.instructables.com/files/deriv/FMO/R1CQ/FWBNM4VJ/FMOR1CQFWBNM4VJ.SQUARE.jpg http://www.instructables.com/files/deriv/FMO/R1CQ/FWBNM4VJ/FMOR1CQFWBNM4VJ.SMALL.jpg videomathtutor High tech study tips for math students.
By: videomathtutor

Tue, 23 Jun 2009 21:21:51 PDT
How much does a "royal with cheese" weigh? http://www.instructables.com/id/How-much-does-a-quotroyal-with-cheesequot-weig/
How much does a "royal with cheese" weigh? - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FME/DLO5/FUNOXK9V/FMEDLO5FUNOXK9V.SQUARE2.jpg http://www.instructables.com/files/deriv/FME/DLO5/FUNOXK9V/FMEDLO5FUNOXK9V.SQUARE.jpg http://www.instructables.com/files/deriv/FME/DLO5/FUNOXK9V/FMEDLO5FUNOXK9V.SMALL.jpg plasmashears One day I was talking about the film Pulp Fiction(one of my favorites) with my grandma and suddenly the question came up; How much does a "royal with cheese" weigh in kilograms anyway? After a little debate on the formula to be used I wrote it up. Here's how: OK, if you know some algebra, you shou...
By: plasmashears

Thu, 21 May 2009 12:29:30 PDT
Spreadsheet Calculus: Euler's Method - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FWA/9APA/FT3K4PWZ/FWA9APAFT3K4PWZ.SQUARE2.jpg http://www.instructables.com/files/deriv/FWA/9APA/FT3K4PWZ/FWA9APAFT3K4PWZ.SQUARE.jpg http://www.instructables.com/files/deriv/FWA/9APA/FT3K4PWZ/FWA9APAFT3K4PWZ.SMALL.jpg eric4435 If you've tried solving any differential equations, you probably know that many of them are either very difficult or impossible to solve. What do we do then? Usually the solution to a differential equation actually isn't that important. The question you usually want answered is what happens when I s...
By: eric4435

Sun, 5 Apr 2009 21:36:39 PDT
Spreadsheet Calculus: Newton's Method - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FTU/IZIN/FT3K2TUL/FTUIZINFT3K2TUL.SQUARE2.jpg http://www.instructables.com/files/deriv/FTU/IZIN/FT3K2TUL/FTUIZINFT3K2TUL.SQUARE.jpg http://www.instructables.com/files/deriv/FTU/IZIN/FT3K2TUL/FTUIZINFT3K2TUL.SMALL.jpg eric4435 Sometimes you need to find the roots of a function, also known as the zeroes. Sometimes finding the zeroes is pretty easy. Other times, that isn't the case. Take for example the 6th degree polynomial shown below. How do you find the zeroes to that equation? You could make a rough estimate with the g...
By: eric4435

Sun, 5 Apr 2009 16:21:45 PDT
Spreadsheet Calculus: Derivatives and Integrals - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FY3/A7X1/FT3K4GRT/FY3A7X1FT3K4GRT.SQUARE2.jpg http://www.instructables.com/files/deriv/FY3/A7X1/FT3K4GRT/FY3A7X1FT3K4GRT.SQUARE.jpg http://www.instructables.com/files/deriv/FY3/A7X1/FT3K4GRT/FY3A7X1FT3K4GRT.SMALL.jpg eric4435 Calculus can be kind of tricky when you're first learning it. Here's how you can use spreadsheet programs to your advantage. Use this to check your answers or just get an idea of what a graph looks like. If you're doing integration then you also probably know that there are some functions that don't...
By: eric4435

Sat, 4 Apr 2009 23:45:35 PDT
How to Graph http://www.instructables.com/id/How-to-Graph-1/
How to Graph - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FE6/0LHW/FRA9ST6M/FE60LHWFRA9ST6M.SQUARE2.jpg http://www.instructables.com/files/deriv/FE6/0LHW/FRA9ST6M/FE60LHWFRA9ST6M.SQUARE.jpg http://www.instructables.com/files/deriv/FE6/0LHW/FRA9ST6M/FE60LHWFRA9ST6M.SMALL.jpg tricky dick Greetings Instructable lovers and learners alike. I have always loved Instructables, using many myself, and now I have one to give. This instructable was one on the Burning Questions 6 and I thought this would be a good way for me to start. Now, who is ready to learn form a high school/ college stu...
By: tricky dick

Tue, 17 Feb 2009 13:33:28 PST
How to Multiply http://www.instructables.com/id/How_to_Multiply_2/
How to Multiply - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FQZ/9G20/FQR1GXXI/FQZ9G20FQR1GXXI.SQUARE2.jpg http://www.instructables.com/files/deriv/FQZ/9G20/FQR1GXXI/FQZ9G20FQR1GXXI.SQUARE.jpg http://www.instructables.com/files/deriv/FQZ/9G20/FQR1GXXI/FQZ9G20FQR1GXXI.SMALL.jpg ratolibre1 Today you'll learn how to multiply big, huge numbers just knowing how to count, and add. This system is as easy that any kid should learn it, because it's totally graphical. So, let's go! *EDIT: Thanks to mrmucox for noticing about the formatting problem, now it's solved ;) Drawing the First Nu...
By: ratolibre1

Thu, 5 Feb 2009 07:21:34 PST
How to Add - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FRL/S4ND/FQR1GVSH/FRLS4NDFQR1GVSH.SQUARE2.jpg http://www.instructables.com/files/deriv/FRL/S4ND/FQR1GVSH/FRLS4NDFQR1GVSH.SQUARE.jpg http://www.instructables.com/files/deriv/FRL/S4ND/FQR1GVSH/FRLS4NDFQR1GVSH.SMALL.gif FaqMan Here is a basic guide to adding numbers. You wonder what adding it well here it is in a nut shell. It is basically adding numbers together with the + sign. So in this Instructable you will help you learn how to add. This is just some basics to get you started with adding numbers. (Also this is my f...
By: FaqMan

Wed, 4 Feb 2009 19:18:51 PST
Area of a Cylinder http://www.instructables.com/id/How-to-find-the-surface-area-of-a-cylinder/
Area of a Cylinder - More DIY How To Projects]]> http://cdn.instructables.com/FY2/6S0E/FQR1NVHM/FY26S0EFQR1NVHM.SQUARE2.jpg http://cdn.instructables.com/FY2/6S0E/FQR1NVHM/FY26S0EFQR1NVHM.SQUARE.jpg http://cdn.instructables.com/FY2/6S0E/FQR1NVHM/FY26S0EFQR1NVHM.SMALL.jpg Deli-adam Here you will learn how to find the surface area of a cylinder.Although there are many uses for finding out the area of a cylinder (most having to do with school work) the only one I could think of was for finding out the displacement of a liquid.So there are four (4) parts to finding out the surfac...

Wed, 4 Feb 2009 13:08:35 PST
How to Add - More DIY How To Projects]]> http://cdn.instructables.com/FV2/Q8Y6/FQMXEVVR/FV2Q8Y6FQMXEVVR.SQUARE2.jpg http://cdn.instructables.com/FV2/Q8Y6/FQMXEVVR/FV2Q8Y6FQMXEVVR.SQUARE.jpg http://cdn.instructables.com/FV2/Q8Y6/FQMXEVVR/FV2Q8Y6FQMXEVVR.SMALL.gif chief tyrol This is my entry into the burning question, round 6.5.I think that addition falls into the category of "Things that you should have learned in school, had you been paying attention", but for whatever reason, you are here. The basics One of the most basic properties of addition is that it is commu...
By: chief tyrol

Mon, 2 Feb 2009 15:28:05 PST
Dividing Fractions http://www.instructables.com/id/how-to-divide-fractions-1/
Dividing Fractions - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FTJ/VICT/FQMXF59N/FTJVICTFQMXF59N.SQUARE2.jpg http://www.instructables.com/files/deriv/FTJ/VICT/FQMXF59N/FTJVICTFQMXF59N.SQUARE.jpg http://www.instructables.com/files/deriv/FTJ/VICT/FQMXF59N/FTJVICTFQMXF59N.SMALL.jpg ohenry1111 One thing you need to know to understand my Instructable is that the numerator is the number on top and the denominator is the number on the bottom. starting off we need a question to get started, so lets go with a simple one. reciprical The first thing you need to do is make a reciprical by f...
By: ohenry1111

Sun, 1 Feb 2009 12:21:08 PST
How To Add - More DIY How To Projects]]> http://cdn.instructables.com/F8D/SGB0/FQMXEPZQ/F8DSGB0FQMXEPZQ.SQUARE2.jpg http://cdn.instructables.com/F8D/SGB0/FQMXEPZQ/F8DSGB0FQMXEPZQ.SQUARE.jpg http://cdn.instructables.com/F8D/SGB0/FQMXEPZQ/F8DSGB0FQMXEPZQ.SMALL.jpg Super_Bobito In this Instructable I will be teaching all of you who fell asleep in kindergarten math, how to add.Adding is the most basic form of mathematics, it simply involves combining two or more numbers together. Getting Started To more easily show the idea of adding, we can start with pictures.If I have...
By: Super_Bobito

Sun, 1 Feb 2009 09:44:19 PST
Surface Area of a Sphere http://www.instructables.com/id/Surface-Area-of-a-Sphere/
Surface Area of a Sphere - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FNI/X0D2/FQJZD95N/FNIX0D2FQJZD95N.SQUARE2.jpg http://www.instructables.com/files/deriv/FNI/X0D2/FQJZD95N/FNIX0D2FQJZD95N.SQUARE.jpg http://www.instructables.com/files/deriv/FNI/X0D2/FQJZD95N/FNIX0D2FQJZD95N.SMALL.jpg luke674 Wahoo! Fun algebraic formulas...I know...I'm a nerd. Well, the exciting expression for this one is...(drum-roll please)...4 (pi) r 2.Sounds Easy Enough...And don't worry...If you don't know what this means were going to go through all of this...(Oh and if you're worse than me with nerdiness-I'm g...
By: luke674

Thu, 29 Jan 2009 20:13:35 PST
Circumference of a Circle http://www.instructables.com/id/Circumference-of-a-Circle/
Circumference of a Circle - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FM1/X2JH/FQHNKYID/FM1X2JHFQHNKYID.SQUARE2.jpg http://www.instructables.com/files/deriv/FM1/X2JH/FQHNKYID/FM1X2JHFQHNKYID.SQUARE.jpg http://www.instructables.com/files/deriv/FM1/X2JH/FQHNKYID/FM1X2JHFQHNKYID.SMALL.jpg boobiedoop This instructable will teach and demonsrtrate how to get the circumfrence of a circle. Pi? If you measure the distance around a circle and divide it by the distance across the circle through the center, you will always come close to a particular value, depending upon the accuracy of your measure...
By: boobiedoop

Wed, 28 Jan 2009 17:56:02 PST
Area of a Circle http://www.instructables.com/id/Determine-the-area-of-a-circle-easily/
Area of a Circle - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FLJ/NGUO/FQHNKW48/FLJNGUOFQHNKW48.SQUARE2.jpg http://www.instructables.com/files/deriv/FLJ/NGUO/FQHNKW48/FLJNGUOFQHNKW48.SQUARE.jpg http://www.instructables.com/files/deriv/FLJ/NGUO/FQHNKW48/FLJNGUOFQHNKW48.SMALL.jpg acaz93 Math the king of the sciences , without math our lives couldn't be like we know them . Without math the school wouldn't have that thrill you like , you like math don't you . Yet, math is a dare that everybody should acomplish ,even if we don't want to . In this Instructable i will tell you the 2 mo...
By: acaz93

Wed, 28 Jan 2009 14:10:36 PST
Vedic Multiplication http://www.instructables.com/id/Vedic-Multiplication/
Vedic Multiplication - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FDI/QOXN/FQ6DXBLD/FDIQOXNFQ6DXBLD.SQUARE2.jpg http://www.instructables.com/files/deriv/FDI/QOXN/FQ6DXBLD/FDIQOXNFQ6DXBLD.SQUARE.jpg http://www.instructables.com/files/deriv/FDI/QOXN/FQ6DXBLD/FDIQOXNFQ6DXBLD.SMALL.jpg purduecer Some time ago (this past summer, to be exact) I created my first instructable. A fun little trick, really, about how to quickly extract the cube roots of large integers mentally. Included in the comments section of this instructable was a very useful comment from mahi16 which suggested I incorporate...
By: purduecer

Thu, 22 Jan 2009 13:32:27 PST
Stellated tetrahedron earrings http://www.instructables.com/id/Geek-chic-Stellated-tetrahedron-earrings/
Stellated tetrahedron earrings - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FMK/XSP0/FN82NVG1/FMKXSP0FN82NVG1.SQUARE2.jpg http://www.instructables.com/files/deriv/FMK/XSP0/FN82NVG1/FMKXSP0FN82NVG1.SQUARE.jpg http://www.instructables.com/files/deriv/FMK/XSP0/FN82NVG1/FMKXSP0FN82NVG1.SMALL.jpg davisjan A tetrahedron is a polyhedron with four faces, one of the five Platonic solids. Strictly speaking, there is no such thing as a stellated tetrahedron. However, this is what happens when you add a pyramid on top of each face, and very pretty it is. Mixing seed beads of two different sizes in the same ...
By: davisjan

Thu, 6 Nov 2008 18:44:56 PST
Mental Math: Digital Root Extraction http://www.instructables.com/id/Mental-Math-Digital-Root-Extraction/
Mental Math: Digital Root Extraction - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FEA/ZB3W/FMMD0HTY/FEAZB3WFMMD0HTY.SQUARE2.jpg http://www.instructables.com/files/deriv/FEA/ZB3W/FMMD0HTY/FEAZB3WFMMD0HTY.SQUARE.jpg http://www.instructables.com/files/deriv/FEA/ZB3W/FMMD0HTY/FEAZB3WFMMD0HTY.SMALL.gif purduecer Continuing in the tradition of my first 2 Instructables, I present to the interested reader a new mental math technique today. This trick, like the first 2 tricks, is for most intents and purposes simply a parlor trick to astound and amaze your fellow geeks at your next math club meeting. That said...
By: purduecer

Thu, 23 Oct 2008 09:56:37 PDT
How to draw a 4-dimension cube http://www.instructables.com/id/How-to-draw-a-4-dimension-cube/ http://www.instructables.com/files/deriv/F6L/UAY3/FK3O7RN4/F6LUAY3FK3O7RN4.SQUARE2.jpg http://www.instructables.com/files/deriv/F6L/UAY3/FK3O7RN4/F6LUAY3FK3O7RN4.SQUARE.jpg http://www.instructables.com/files/deriv/F6L/UAY3/FK3O7RN4/F6LUAY3FK3O7RN4.SMALL.jpg tetlian We can draw it, but we can't imagine it. This method can be used to draw any-demsion cube.
By: tetlian

Wed, 20 Aug 2008 15:06:51 PDT
Square 2+ Digit Numbers Mentally http://www.instructables.com/id/Square-2-Digit-Numbers-Mentally/
Square 2+ Digit Numbers Mentally - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FE6/8HK5/FJD5CIGC/FE68HK5FJD5CIGC.SQUARE2.jpg http://www.instructables.com/files/deriv/FE6/8HK5/FJD5CIGC/FE68HK5FJD5CIGC.SQUARE.jpg http://www.instructables.com/files/deriv/FE6/8HK5/FJD5CIGC/FE68HK5FJD5CIGC.SMALL.jpg purduecer For my first Instructable, I posted my first Instructable about a fun trick I had learned back in junior high for taking the cube roots of large numbers (6 or more digits) mentally. It was a well liked and well received 'ible, getting featured and making the popularity section in spite of being of ...
By: purduecer

Mon, 4 Aug 2008 00:06:04 PDT
Take Cube Roots of 6-Digit Numbers Mentally http://www.instructables.com/id/Take-Cube-Roots-of-6-Digit-Numbers-Mentally/
Take Cube Roots of 6-Digit Numbers Mentally - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FCZ/1GI6/FITUIWZL/FCZ1GI6FITUIWZL.SQUARE2.jpg http://www.instructables.com/files/deriv/FCZ/1GI6/FITUIWZL/FCZ1GI6FITUIWZL.SQUARE.jpg http://www.instructables.com/files/deriv/FCZ/1GI6/FITUIWZL/FCZ1GI6FITUIWZL.SMALL.jpg purduecer First Instructable, hope you like it. Math. Love it or hate it, everyone must do it at some point in their lives. Some of us revel in numbers and equations and have a passion for math. This Instructable is for you, oh math lovers of the world. This Instructable describes mental cube-root extract...
By: purduecer

Mon, 21 Jul 2008 10:29:26 PDT
How to make a hexaflexagon http://www.instructables.com/id/How-to-make-a-hexaflexagon/
How to make a hexaflexagon - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FLQ/41BU/FE379CQ0/FLQ41BUFE379CQ0.SQUARE2.jpg http://www.instructables.com/files/deriv/FLQ/41BU/FE379CQ0/FLQ41BUFE379CQ0.SQUARE.jpg http://www.instructables.com/files/deriv/FLQ/41BU/FE379CQ0/FLQ41BUFE379CQ0.SMALL.jpg nerdnurture This is another magic pocket study tool I teach my students how to make. It is what is called a trihexaflexagon, which means basically a hexagon you can turn inside out to reveal a total of 3 complete faces (or sides of the paper). They put notes on these things and keep them in their pockets to m...
By: nerdnurture

Fri, 21 Mar 2008 17:58:59 PDT
Magic Paper Pocket Study Tool http://www.instructables.com/id/Magic-Paper-Pocket-Study-Tool/
Magic Paper Pocket Study Tool - More DIY How To Projects]]> http://www.instructables.com/files/deriv/FLB/V5JF/FDYPTE3K/FLBV5JFFDYPTE3K.SQUARE2.jpg http://www.instructables.com/files/deriv/FLB/V5JF/FDYPTE3K/FLBV5JFFDYPTE3K.SQUARE.jpg http://www.instructables.com/files/deriv/FLB/V5JF/FDYPTE3K/FLBV5JFFDYPTE3K.SMALL.jpg nerdnurture I teach my students how to make a 4-sided magic piece of paper to use as a "pocket study tool" to help them prepare for tests. Brain research (and experience) teaches that the mind is much more able to learn, process, store, and recall information which is (1) chunked into digestible bits, (2) rehe...
By: nerdnurture