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Saturday, 26th of January 2008 (26-01-2008)

Math Trainer

Version 3. Flash Program made with ActionScript 2.

Play it!

Speed Math Trainer can be played embedded in html or from the swf source.

Full Screen: http://www.buildquiz.com/speed_math.swf


Beta Version of New Math RPG

This is currently in early development. I'm not sure if this will be open source as well.

Speed Math RPG - 777kb

Video Tutorial

youtube video  Put This Video on Your Myspace or Blog:
Embed Code:    
Direct Link:        http://youtube.com/watch?v=tNRL5h9tTNM&rel=1
Download Video: FLV Format   [ FLV help ]

This Program is Open Source

Please retain all links and the name Jimmy Ruska in the program.

http://sourceforge.net/projects/speed-math/

Translated Into Bulgarian by Math10.com

Speed Math Program in Bulgarian

Must have flash

You must download flash 8 to use this program.

Download Speed Math Trainer

You can download it to your desktop:



Speed Math.zip 26.6k
25.9k [right click save as]

Google Videos

Speed Math Program Manual by Video
Rapid Addition Technique
Speed Multiplication


Forgive the lack of effect in my voice, the screen capture thing and video uploader was being annoying so I had to make/upload the video several times.

More speed math tutorials?

If I see people are watching my videos through the statistics google offers I'll add more tutorials like 3 or 4 digit multiplication.

I have a bug to report!

Go to the bottom of this page and use the comment box.

I have a comment or Suggestion

Go to the bottom of this page and use the comment box.



Older Version

Right click and save as to put on your desktop.

Version 1 swf 70k
Version 2 swf 87k


Manual

Getting Started

Click on one of the addition or multiplication text title's. It'll make the intro disappear. From there it says "Type 1 to Start".

Options

Speed Math Options
Automiss Off/On: Will automatically count the question as missed once your time expires. This is the only reason for having missed in the stats.
Restart Level: Restarts the level.
Hide Time: Hide the timer below the submit box.
Hide Meter: Hide the moving blue bar under the submit box.
Savestar On/Off: Your stars reflect your best time only. If off, your stars will be reevaluated per turn.

The arrows near the slowest and best time are to move slowest, best, and record times down or up. The Q is to organize by questions so you can check if you started slowing down or speeding up, and by how much.

Quick Keys

Clicking "e" in the submit box will restart the level and start the timer.




Mental Math Tricks

Links

Wikipedia Mental Calculation Article
Wikipedia Vedic Math System
Wikipedia Trachtenberg Math System
Wikipedia Abacus Math System
Math Tricks
More speed math tricks
Math 6-8 grade

Arthur Benjamin Math Tricks on Youtube

I got these links from Grey Matters Mental Gym which Featured this page in an article. Thanks Scott!

Part 1: Introduction, Adding 2- and 3-digit numbers
Part 2: Adding 2- and 3-digit numbers, Calculating tips, Subtracting 2- and 3-digit numbers
Part 3: Subtracting 2- and 3-digit numbers
Part 4: Subtracting 2- and 3-digit numbers, Multiplying 2- and 3-digit numbers by 1-digit numbers
Part 5: Multiplying 3-digit numbers by 1-digit numbers, Percentages, Division of 2- and 3-digit numbers by 1-digit numbers
Part 6: Division of 3-digit numbers by 1-digit numbers
Part 7: Multiplying fractions
Part 8: Multiplying, Adding and subtracting fractions, Converting fractions to decimals
Part 9: Converting fractions to decimals, Estimation, Squaring
Part 10: Squaring, Algebra
Part 11: Algebra, Fibonacci addition trick

Speed addition

To add rapidly start from left to right.



Step 1: Add the first two numbers.
Step 2: Glance if the next pair of numbers is greater than one, if it is, add one to the first pair, and write the remainder for the second pair. If it's less than zero just add straight down
Step 3: Repeat step 2 until you run out of numbers.

Speed Multiplication

Double Digits



Step 1: Multiply the first two numbers together.
Step 2: Cross multiply and add the Sums.
Step 3: Multiply the last two digits.
Step 4: Add the sums of each step.
youtube video  Put This Video on Your Myspace or Blog:
Embed Code:    
youtube video  Put This Video on Your Myspace or Blog:
Embed Code:    

Speed Math Tricks

The following tips are taken from the book "Rapid Math Tricks and Tips" (c) 1992 by Edward H. Julius. The tips themselves are public domain and the author's direct explanation or examples are not used. This is not the full list of tricks. Mistakes listed here do not reflect the author of the book.

Multiply by .4, 4,40,400 etc

Simply double the number twice and adjust the decimal, because 2x2=4

Multiply by .8, 8, 80, 800 etc

Double it three times, because 8 is 2 x 2 x 2

Multiply by .5, 5, 50, 500 etc

Divide by two and adjust decimals, because 5=10/2

Square two digit numbers ending in 5

Multiply the tens digit by a whole number, then attach 25 to the end.

Multiply two digit numbers by .11, 11, 110, etc

Add the two digits your multiplying by 11 together and put their sum in the middle of the same two digits. 12*11=?, 1+2=3,solution 132

Multiply by .25,25,250, etc

Divide by four, and adjust the decimal. Because 2.5=10/4.

Divide by .25,25,250, etc

Multiply times 4 and adjust the decimal.

Multiply a one or two digit number by .99,99,990

Substract the number by one and call it value 1, then substract the number from 100 and call it value 2. Put the two values together.

Multiply a two digit number times .101,101,1010

Write the number twice and adjust the decimal. 64*101=6464

Rapidly Multiply .125,1.25 12.5 etc

Divide by 8, adjust decimals. Because 5/4 or (10/8) is 1.25.

Rapidly Divide .125,1.25 12.5 etc

Multiply 8, adjust decimals. Because 5/4 or (10/8) is 1.25.

Multiply by .9, 90, 900 etc

Multiply the value your multiplying times nine, time 10 instead. Take that solution and substract the value your multiplying times nine from it. 9 x 21, we say 10 x 21 =210-21=answer.

Rapidly Multiply by .12, 1.2, 12, 120 etc

Multiply times 10 and call it value 1, multiply times 2 and call it value 2. Add the solutions. 12 * 60= (10x60)600+(60*2)120

Multiply by 15

Multiply by 10 and get value 1, divide by 2 then multiply by 10 and get value two. 15*34 = (10x34)340+((34/2)*10)170


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Table of Contents

  1. Math Trainer
  2. Version 3. Flash Program made with ActionScript 2.
  3. Play it!
  4. Beta Version of New Math RPG
  5. Video Tutorial
  6. This Program is Open Source
  7. Translated Into Bulgarian by Math10.com
  8. Must have flash
  9. Download Speed Math Trainer
  10. Google Videos
  11. More speed math tutorials?
  12. I have a bug to report!
  13. I have a comment or Suggestion
  14. Older Version

  15. Manual
  16. Getting Started
  17. Options
  18. Quick Keys

  19. Mental Math Tricks
  20. Links
  21. Arthur Benjamin Math Tricks on Youtube
  22. Speed addition
  23. Speed Multiplication
  24. Double Digits
  25. Speed Math Tricks
  26. Multiply by .4, 4,40,400 etc
  27. Multiply by .8, 8, 80, 800 etc
  28. Multiply by .5, 5, 50, 500 etc
  29. Square two digit numbers ending in 5
  30. Multiply two digit numbers by .11, 11, 110, etc
  31. Multiply by .25,25,250, etc
  32. Divide by .25,25,250, etc
  33. Multiply a one or two digit number by .99,99,990
  34. Multiply a two digit number times .101,101,1010
  35. Rapidly Multiply .125,1.25 12.5 etc
  36. Rapidly Divide .125,1.25 12.5 etc
  37. Multiply by .9, 90, 900 etc
  38. Rapidly Multiply by .12, 1.2, 12, 120 etc
  39. Multiply by 15

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