NUMBER How-To Videos & Articles

Follow these number tutorials to learn all about number with WonderHowTo's collection of free how-to videos and articles, like Solve a sudoku number logic puzzle, Spoof your phone number, and Subtract numbers on a number line in pre-algebra.

You'll also find several great diet & health tutorials in the Diet & Health category.

941 how-to videos 288 how-to articles
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How to solve a sudoku number logic puzzle

Solve a sudoku number logic puzzle

Sudoku is very simple to learn, it needs no calculations, and provides an amazing variety of logic situations. All that's required is brain ...more

A 5:00
Curated 1 year ago by rmansur | Comments 0
Views 468

How to spoof your phone number

Spoof your phone number

Have you ever found yourself calling up a company, only to be denied due to not calling from the number listed on your account? Thanks to a ...more

A 3:23
Curated last month by rmansur | Comments 0
Views 1,643

How to subtract numbers on a number line in pre-algebra

Subtract numbers on a number line in pre-algebra

Lawrence Perez, from Saddleback College, and his assistant Charlie ...more

A 6:22
Curated 1 year ago by rmansur | Comments 0
Views 643

How to calculate the modulus and argument of a complex number

Calculate the modulus and argument of a complex number

Need a little help with your math homework? No problem, the Math ...more

A 5:00
Curated 1 year ago by tenebrism | Comments 0
Views 3,811

How to find real and imaginary parts of a complex number

Find real and imaginary parts of a complex number

Need a little help with your math homework? No problem, the Math ...more

A 5:00
Curated 1 year ago by tenebrism | Comments 0
Views 2,226

How to find the complex conjugate of a complex number

Find the complex conjugate of a complex number

Need a little help with your math homework? No problem, the Math ...more

A 5:00
Curated 1 year ago by tenebrism | Comments 0
Views 2,259

How to multiply large numbers

Multiply large numbers

This video demonstrates, without narration, a trick to multiplying large numbers. To do the trick, just draw a diagonal line for every unit ...more

A- 2:24
Curated 2 years ago by aramirez | Comments 1
Views 1,596

How to add numbers on a number line in pre-algebra

Add numbers on a number line in pre-algebra

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this pre-algebra lesson on adding numbers on a number line. This ...more

A- 5:00
Curated 1 year ago by rmansur | Comments 0
Views 975

How to learn about types of numbers

Learn about types of numbers

Learn about all the different types of numbers, like integers, irrational numbers, and real numbers, in great detail. Also includes how to ...more

A- 1:04:10
Curated 1 year ago by rmansur | Comments 0
Views 1,064

How to solve a sudoku beginner number puzzle

Solve a sudoku beginner number puzzle

Check out this beginner tutorial on how to solve a sudoku beginner number puzzle. Each sudoku has a unique solution that can be reached ...more

A 5:00
Curated 1 year ago by rmansur | Comments 0
Views 562

How to solve a sudoku intermediate number puzzle

Solve a sudoku intermediate number puzzle

Check out this beginner tutorial on how to solve a sudoku intermediate number puzzle. Each sudoku has a unique solution that can be ...more

A 5:00
Curated 1 year ago by rmansur | Comments 0
Views 509

How to write the square root of a negative complex number

Write the square root of a negative complex number

Need a little help with your math homework? No problem, the Math ...more

A 5:00
Curated 1 year ago by tenebrism | Comments 1
Views 1,799

How to use imaginary numbers and quadratic equations

Use imaginary numbers and quadratic equations

Need a little help with your math homework? No problem, the Math ...more

A 5:00
Curated 1 year ago by tenebrism | Comments 0
Views 2,123

How to find the polar form of a complex number

Find the polar form of a complex number

Need a little help with your math homework? No problem, the Math Centre offers students video tutorials that will provide as a reference ...more

A 5:00
Curated 1 year ago by tenebrism | Comments 0
Views 1,514

How to easily multiply any two digit number by 11

Easily multiply any two digit number by 11

You likely all know the 10 rule (to multiply by 10, just add a 0 behind the number) but do you know the 11 rule? It is as easy! You should ...more

B 0:40
Curated 10 months ago by WonderDude Mike | Comments 0
Views 1,214

How to format numbers in cells in OpenOffice Calc

Format numbers in cells in OpenOffice Calc

When creating spreadsheets in OpenOffice Calc or any other spreadsheet software like Microsoft Excel, its likely that you have a range of ...more

B+ 2:00
Curated 1 year ago by Pigeonchicken | Comments 0
Views 442

How to change the remote desktop Port number in Windows

Change the remote desktop Port number in Windows

A tutorial on how to change the remote desktop port number in Windows.

B 2:07
Curated 1 year ago by bird crick | Comments 0
Views 1,640

How to find your model number on your oven or cooker

Find your model number on your oven or cooker

Check out this instructional home repair video to learn how to ...more

B 2:11
Curated 1 year ago by rmansur | Comments 0
Views 718

How to identify the model number on washing machine and dryer

Identify the model number on washing machine and dryer

Check out this instructional home repair video to learn how to ...more

B 1:07
Curated 1 year ago by rmansur | Comments 0
Views 787

How to bypass a master lock number 175

Bypass a master lock number 175

Check out this instructional con video that demonstrates how to bypass a master lock number 17 in this locking picking tutorial. This ...more

B 6:56
Curated 1 year ago by rmansur | Comments 1
Views 6,726

How to draw a cartoon Benjamin Franklin from the number 100

Draw a cartoon Benjamin Franklin from the number 100

Did you know that you can draw the person that's on the $100 bill from ...more

B 2:00
Curated 1 year ago by rmansur | Comments 0
Views 909

How to get a phone number in ten easy steps

Get a phone number in ten easy steps

If you are having a difficult time getting someone's phone number this is the how to video for you. Watch and learn ten easy tips to getting ...more

B 0:38
Curated 1 year ago by rmansur | Comments 3
Views 16,255

How to pick a master lock number 5 and 3

Pick a master lock number 5 and 3

Check out this instructional conning video that demonstrates how to pick a master lock number 5 and a master lock number 3. Follow the ...more

B 4:37
Curated 1 year ago by rmansur | Comments 4
Views 7,183

How to solve a number sequence

Solve a number sequence

Check out this instructional math video that demonstrates how to solve a number sequence. These are basically a list of numbers, and there's ...more

B 8:04
Curated 1 year ago by rmansur | Comments 0
Views 2,430

How to solve math problems on number lines

Solve math problems on number lines

Check out this instructional math video that demonstrates how to solve number lines. In the 11th lesson, learn how to solve SAT problems ...more

B 9:45
Curated 1 year ago by rmansur | Comments 0
Views 1,397

How to review elementary number theory for the SAT math test

Review elementary number theory for the SAT math test

Trying to get into a good college? You're going to need to ace those ...more

B 10:00
Curated 1 year ago by rmansur | Comments 0
Views 762

How to buy the right number of mixers for a party

Buy the right number of mixers for a party

From simple bartender etiquette to advanced skills like making your own flaming orange peel garnish, we’ve got cocktail tips for you. Watch ...more

B 0:26
Curated 1 year ago by rmansur | Comments 0
Views 66

How to win the national lottery with number picking tips

Win the national lottery with number picking tips

Are there any ways to cheat chance and win the lottery without ...more

A- 1:39
Curated 1 year ago by Amie | Comments 3
Views 8,496

How to do a Number 3 Manual

Do a Number 3 Manual

Watch this video to learn how to do a Number 3 manual. The key is to aim for a target while balancing.

B 1:31
Curated 1 year ago by Amie | Comments 0
Views 505

How to decrease the number of crocheted stitches in a row

Decrease the number of crocheted stitches in a row

This video crocheting tutorial shows how to decrease the number of ...more

B 0:30
Curated 1 year ago by tenebrism | Comments 0
Views 511

How to permanently block your cell phone number

Permanently block your cell phone number

If you want to block your cell phone number for all calls, this is the video for you. Learn to block not just one call, but all further ...more

B- 0:40
Curated 2 years ago by shirth | Comments 1
Views 11,617

How to group a number of images as one OpenOffice Draw item

Group a number of images as one OpenOffice Draw item

Sometimes, when you have a big diagram with lots of images in ...more

B 1:45
Curated 1 year ago by Pigeonchicken | Comments 0
Views 209

How to create bullets and numbering in InDesign CS3

Create bullets and numbering in InDesign CS3

This video shows you how to create bulleted and numbered lists in InDesign. You learn how to customize bullets, save bullet formatting as a ...more

B- 12:16
Curated 2 years ago by MeGustaLasOlas | Comments 0
Views 1,501

How to do the number 23 card trick

Do the number 23 card trick

Watch this behind the scenes look at how the number 23 magic card trick really works. Pretty easy isn't it?

B 3:25
Curated 1 year ago by cwiltz | Comments 0
Views 420

How to solve the fifteen number puzzle

Solve the fifteen number puzzle

I got this nifty little puzzle yesterday while I was out searching for a Rubik's Cube. It is very easy, but I figured how to show it to you ...more

B 5:31
Curated 1 year ago by God | Comments 0
Views 556

How to play a number of intro riffs on electric guitar

Play a number of intro riffs on electric guitar

To play a guitar riff is to do more than simply to memorize a short ...more

B 2:59
Curated 1 year ago by rmansur | Comments 0
Views 173

How to identify the model number and ID tag on fridge freezer

Identify the model number and ID tag on fridge freezer

Check out this instructional home repair video to learn how to ...more

B- 1:24
Curated 1 year ago by rmansur | Comments 0
Views 433

How to understand your personal lifepath number in numerology

Understand your personal lifepath number in numerology

Numerology is the ancient science of gaining information about life ...more

B- 30:00
Curated 1 year ago by rmansur | Comments 0
Views 980

How to discover you personal number in numerology

Discover you personal number in numerology

Get out your calculators and add up the numbers in your birthday to figure out your personal number. In this video numerology tutorial ...more

B- 15:43
Curated 1 year ago by rmansur | Comments 1
Views 701

How to find the only number that fits in sudoku

Find the only number that fits in sudoku

This tip for solving medium difficulty sudoku puzzle shows you how to find the only number that will fit. If you know nothing about sudoku ...more

B 1:00
Curated 1 year ago by rmansur | Comments 0
Views 569

How to predict the number of sections on a citrus fruit

Predict the number of sections on a citrus fruit

Watch to learn how to predict the number of sections on a citrus fruit ...more

B 1:59
Curated 1 year ago by rmansur | Comments 0
Views 834

How to delete a custom number or date format in Excel 2007

Delete a custom number or date format in Excel 2007

In this tutorial, you will learn how to delete a custom number or date ...more

B- 1:15
Curated 1 year ago by rmansur | Comments 0
Views 193

How to create a custom number format in Excel 2007

Create a custom number format in Excel 2007

In this tutorial, you will create a custom number format in Excel 2007.

B- 2:05
Curated 1 year ago by rmansur | Comments 0
Views 171

How to review number line problems for the SAT math test

Review number line problems for the SAT math test

Trying to get into a good college? You're going to need to ace those ...more

B 9:45
Curated 1 year ago by rmansur | Comments 0
Views 405

How to review number subbing in algebra problems for SAT math

Review number subbing in algebra problems for SAT math

Trying to get into a good college? You're going to need to ace those ...more

B 8:30
Curated 1 year ago by rmansur | Comments 0
Views 314

How to create bullet, number, and definition lists in HTML

Create bullet, number, and definition lists in HTML

This video tutorial shows you how to create various kinds of lists in ...more

B 1:37
Curated 1 year ago by rmansur | Comments 0
Views 979

How to do the magic number 13 card trick

Do the magic number 13 card trick

A magic tutorial for how to do the number 13 card trick. The demonstrator tells you what to say and how to do the trick.

B- 4:35
Curated 1 year ago by 5min | Comments 0
Views 312

How to program a random number generator in C++

Program a random number generator in C++

How to use the rand function in C++ to create a random number generator.

B 9:58
Curated 1 year ago by FFox | Comments 0
Views 1,358

How to get a girl's phone number

Get a girl's phone number

It doesn't have to difficult to approach a girl. You will need a smile, confidence, and a cell phone or a business card. Watch this video ...more

B 5:01
Curated 1 year ago by tenebrism | Comments 0
Views 4,249

How to find the serial number on your HP iPAQ 6500 Messenger

Find the serial number on your HP iPAQ 6500 Messenger

This Hewlett-Packard videocast is designed to show you more about your ...more

B- 1:31
Curated 7 months ago by tenebrism | Comments 0
Views 1,455

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Holiday HowTo: Charlie Brown Christmas Tree

Ah, memories. Nothin' like Charlie Brown Christmas to stir up warm and fuzzy holiday nostalgia. The lesson of Charlie Brown's Christmas tree: Do-It-Yourself. Straight from the lips of lovable Charlie ...

Lady Gaga Goes Uke

Here we are again. This time, however, it's not Britney Spears that's being uke-d, but the delightfully infamous Lady Gaga. The wicked (we-can't-help-but-look-watch-listen) Lady Gaga. The ukulele ...

HowTo: Photograph a Speeding Bullet

In light of our recent post, Art Borne From the Barrel of a Gun, here's a thorough guide to building your own bullet capture system via robotics site Glacial Wanderer. Says Hack a Day: "A pair of ...

Soba Noodle Champion Slurps 399 Bowls in 10 Minutes

Eat your heart out, Joey Chestnut. There's a new super-speed-eater in town, and she means business. 45-year-old Hatsuyo Sugawara downed an incredible number of 399 bowls of soba noodles in just ten ...

High Fashion Invisible Shoes

Fashion designer Andreia Chaves of São Paulo has created some optically stunning, "invisible" shoes. Constructed with mirrors, the shoes blend into their environment, chameleon-style ...

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wow your good

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nice,but i can't do it your good

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