# Number Lines

### How To : 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 using the Official SAT Study Guide. Here are the math problems and their page numbers that this video covers: - p409 #8 - p535 #17 - p583 # ...more

### How To : 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 is basic arithmetic here, so, if you want to get into algebra, start with the basics.

### How To : Graph negative numbers on number line

The video begins with a piece of paper with questions 6 and 7 on from section 1.3. The narrator introduces these two questions as both having to do with graphing on a number line. Starting with question 6, which asks the person to graph -11/4 on a number line, the narrator dra ...more

### How To : Graph an inequality on a number line in Algebra

The video described here from [free math tutoring Freemathtutoring] teaches how to plot natural number on a number line in different situations. First, the author defines natural numbers, integers and real numbers. He then teaches different methods on how to plot natural numbe ...more

### How To : Plot a real number on a number line

This video tells you how to plot a real number on a number line. For example consider -3.1. You know -3.1 lies between -3 and -4. You also know -3.1 lies very close or next to 3. So all you have to do is, put a point just before -3. Now you have marked -3.1 on a number line. S ...more

### How To : Multiply two double-digit numbers with an intersecting lines method

This is an interesting trick to solving multiplication problems. It involves multiplying 2 double-digit numbers with hand drawn, crisscrossing lines. Say you have a multiplication problem of 13 x 21, you would draw 1 line by itself, then 3 lines, side-by-side, all parallel to ...more

### How To : Understand integers and the number line

User DayTeacher helps you understand integers and the number line. When numbers were conceived, man had the basic concept of small numbers. The first things you learn in a language are numbers. The weather might have had an impact on numbers, as temperatures dropped below 0. W ...more

### How To : Solve an absolute value equation and graph the answer on a number line

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. With this installment from Internet pedagogical sup ...more

### How To : Plot absolute values on a number line

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next ...more

### How To : Graph inequalities on a number line

In this video, we learn how to graph inequalities on a number line. Inequalities have a greater than or less than sign instead of an equal signs. Remember that these are no different than figuring out how to graph normal equations. First, you will need to remove the single num ...more

### How To : Graph an inequality on a number line

Need a little help in understanding the number line and graphing an inequality? Great! Here you will learn a valuable lesson with this how to do video. A basic tutorial, it explains what kind of dot to use when you are graphing inequalities. Then it shows you how to place the ...more

### How To : Play the number line game

For preschoolers an activity good for counting and recognizing numbers. You can easily make and play this game at home.

### How To : Solve a simple addition problem with the number line trick

It may seem elementary to some, but there are still those (especially young children) who cannot add two numbers together. The easiest way to start out with addition is with the number line trick. This math video shows you the quick trick to learning simple addition problems. ...more

### How To : Solve rational inequalities using sine charts

When you are solving inequality for a rational function you don't do it the same way as you would solve an equality. Now the instructor shows how to solve an inequality with the help of an example. Now to solve an inequality which is in the form a/b first take the numerator an ...more

### How To : Reverse Check a Phone Number

Prank Calls, Masked NumbersWho is calling your phone or your child's? Pranksters use a lot of tricks to make sure they can get on your nerves. Being able to trace prank calls is important because you're not going to learn much from your Caller ID, since most prank callers use ...more

### How To : Setup an Asterisk Server

Over the years, I have enjoyed playing with Asterisk. I have found Asterisk to be extremely powerful and fun to play with. There are several books and many scattered how to articles out there, but most are outdated and the information required to build Asterisk from beginning ...more

### How To : File a Last-Minute 2010 Income Tax Return: Save Money, Get Free Tax Help & More!

Ever since high school, I've been preparing my own taxes. Each year it gets more and more complicated, which results in me filing later and later, avoiding it until I have the time or just can't wait any longer. I even resorted to using TurboTax online to help do some of the g ...more

### How To : Build & Hide a Campfire from Your Enemies — The Dakota Fire Pit

Fire.  It’s everywhere— always has been.  From the Ordovician Period where the first fossil record of fire appears to the present day everyday uses of the Holocene.  Today, we abundantly create flames (intentionally or unintentionally) in power plants, extractive metallurgy, i ...more

### How To : Read Guitar Tab

Guitar Essentials My friends and I would secretly scribble tab in the darkly lit practice rooms in our university even though we were educated musicians. So, being able to read tablature, or tab, is essential for beginning guitarists. Tab is a curious way to write down music ...more

### How To : 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 power and concentration. Get the rules straight and try one out for yourself. Rules 1. Place a number (1-9) in each blank cell. 2. Each ...more

### How To : Create a frequency polygon line chart in MS Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 655th installment in their series of digital spreadsheet magic tricks, you'll learn see how to cre ...more

### How To : Build a scrolling thumbnails based gallery in Flash

Need to insert a scrollable gallery of thumbnails into your website or web project? You've come to the right place. In this tutorial, learn how to build a scrolling thumbnails video and take it to the next level by building a fully functional gallery with a bonus randomizer bu ...more

### How To : Do lean barbell single side rows

Learn how to do lean barbell single side rows. Presented by Real Jock Gay Fitness Health & Life. Benefits Side rows work the entire complex of muscles in your upper back. For this variation, you use a barbell rather than a dumbbell so that you can be certain you're controllin ...more

### How To : Hack Christmas Lights for Custom Holiday Lighting Patterns

General Electric isn't known for their Christmas lights, but maybe they should be, because their GE Color Effects are pretty awesome. Especially the LED Color Effects G-35 String sets. And especially when someone named Darco hacks them. Darco, whose real name is Robert Sun Qu ...more

### How To : Draw a simple cartoon dog

When you first begin to drawing dogs, it can be difficult to know where to start. Usually, there are tricks that can get you started with ease, and the same is true in regards to drawing dogs. You don't have to be an expert artist to learn how to draw a dog; it's as simple as ...more

### How To : 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 use a number line, a dichotomist tool, and other methods of number manipulation.

### How To : Build a RanDome Geodesic Emergency Shelter

This method is easy, intuitive and requires very little math. You will need: Any flat flexible sheet material (ex. paper plates for this how-to) Pencil or pen Scissors Stapler, tape, glue or fasteners Ruler or straight edge Protractor Flatten Plates Flatten the paper plate ...more

### How To : Solve quadratic inequalities in calculus

Calculus can be a bit tricky, but don't worry, Watch Math is here to help you out. Watch this math video lesson to learn how to solve quadratic inequalities in calculus. There's no better way to learn mathematics than from an advanced mathematician, like this PhD. This quadra ...more

### How To : See who is connected to a computer with netstat

Want to see whether your PC is being accessed by hackers? Netstat (network statistics) is a command-line tool that displays network connections (both incoming and outgoing), routing tables, and a number of network interface statistics. It is available on Unix, Unix-like, and W ...more

### How To : Operate the Motorola Nextel i1000plus mobile phone

If you're having a little trouble operating your newly purchased Motorola Nextel i1000plus cell phone, let Sprint help you out. This Sprint interactive mobile phone tutorial takes you through every step necessary to fully familiarize yourself with the i1000plus cell phone by M ...more

### How To : Study

Learning Style What kind of learner are you? There are three different ways people learn: Auditory learner: A person who learns best by listening. This type of person will benefit best by finding someone to study with, to ask each other questions, and to read the study mater ...more

### How To : Make a 3D lemonade cup card with Stampin' Up!

Dawn Griffith creates a cute card with a 3D lemonade glass embellishment from start to finish. Create a template by making a rough sketch of an 8 ounce paper cup onto a piece of white cardstock and cut it out. Take the template and either trace it onto a piece of vellum cardst ...more

### How To : Use a protractor in geometry

Omar, Hayley, Gary, and Autumn teach us how to use a protractor. They give a bit of information from About.com on the history of protractors. They are used to measure angles. The first protractor was used to help with navigation and invented in 1801. To measure an angle, line ...more

### How To : Bowl more strikes like PBA Tour star Sean Rash

This video offers three tips for improving your bowling and throwing more strikes. The first step to becoming a great bowler is to pick the right ball weight. Bowling balls are normally between 6-16 pounds. A way to measure whether a ball is too heavy is to hold it in front of ...more

### How To : Tone abs with the Swiss ball cable Russian twist

You'll need a stability ball for this "Swiss-ball cable Russian-twist" abs exercise from Men's Health. To progress in this particular exercise, simply increase the weight and use a fuller stability ball. Attach a handle to a high pulley-cable and place a Swiss ball in front o ...more

### How To : Tone legs with a dumbbell corkscrew & single-arm press

Improve your cardiovascular system and tone your legs with help from Men's Health. With this leg workout exercise, you'll work on many muscles of the body and improve your cardio system. The exercise is called the "dumbbell corkscrew to single arm Cuban press". Stand holding ...more

### How To : Solve KenKen puzzles with Will Shortz

Toss aside that Sudoku. Take a stab at the new craze to hit the Times: KenKen. New York Times puzzle editor Will Shortz introduces KenKen and gives a brief play-by-play demonstration of this new puzzle craze. In this video, Will Shortz speaks about how he found out about and ...more

### How To : Play flip cup, a drinking game

It goes by many names, but flip cup is the mother of all team drinking games. Bottoms up! Learn how to play Flip Cup, a drinking game. You Will Need: * At least six players * One 12 oz. plastic cup per player * A long table you can trash * Plenty of beer Step 1: Divide into ...more

### How To : Slate a film, read a line script and keep a shot log

If you have ever wondered about the functionality of slating during a film shoot, what a shooting script or line script is and how to keep a shot log, then this may be the perfect video tutorial for you, in two parts. We’ll walk through some quick tips and tricks for getting ...more

### How To : Operate the Samsung i730 mobile phone

Check out this interactive video tutorial from Verizon Wireless on the Samsung i730 mobile phone. If you have just purchases this sleek cell phone, here's your chance to learn everything you can possibly know about it. The versatile Samsung i730 is the ultimate multitasker. I ...more

### How To : Tie the blood knot for fishing like a pro

Ever wonder how to tie the blood knot for fishing? Well, wonder no more! Learn how to tie the blood knot with this instructional fishing knot animation. Use the blood knot to join sections of leader or line together. It works best with lines of approximately equal diameter. He ...more

### How To : Do a knitting provisional cast-on

Watch this knitting instructional video to learn how to do a knitting provisional cast-on. A provisional cast-on is usually worked in a contrasting waste yarn so the cast-on stitches can be easily removed later. The live stitches are then recovered so you can knit down from th ...more

### How To : Draw blood from rats with two techniques

This video tutorial will show you the process of drawing blood from rats through the saphenous vein and by cardiac puncture. Drawing blood from rodents is necessary for a large number of both in vitro and in vivo studies. Sites of blood draws are numerous in rodents: retro-or ...more

### How To : Bulk up your legs with powerful single leg presses

Learn how to do power press single leg presses. Presented by Real Jock Gay Fitness Health & Life. Benefits For these leg presses, you'll choose an amount of weight that presents a challenge, but not so much that you can't add some speed and thrust to your movement. You'll be ...more

### How To : Build deck stairs with This Old House

Watch this video from This Old House to learn how to make deck stairs. Steps: 1 Determine the width of each stair tread. 2 Use 4-foot level and tape measure to find the total rise of the staircase. 3 Divide total rise by number of steps to find height of each riser. 4 Set fra ...more

### How To : Do the speed Davies test exercise

Learn how to do the speed Davies test. Presented by Real Jock Gay Fitness Health & Life. Benefits Test your shoulders—literally. From a plank position, you'll use each hand to tap the back of the other, alternating at top speed. Keep count as you go, and try to beat your own ...more

### How To : Organize an Oktoberfest Party

If you’re planning to hold a party this October, what better event to model your event after than Oktoberfest? The German beer festival began in Bavaria, Germany in 1810 to celebrate a royal marriage. Since then, it has been celebrated annually by millions of attendees these p ...more

### How To : Create a zoetrope

For a fun novelty project, try making a zoetrope at home. * A plastic coffee can lid * A strip of white paper 20" x 1.5" tall * A strip of black paper 20" x 3" tall * Glue, rubber cement or tape * A craft knife * A pencil * A ruler * A plastic coffee can lid * A strip of whit ...more

### How To : Paddle a whitewater kayak with awareness

Whitewaterinstruction.com presents a lesson on Paddle Awareness by Shane Benedict. Rocks aren’t always getting in the way of your kayak, occasionally they’ll do a number on your paddle as well. That’s why this post is devoted to paddle awareness. This particular skill may seem ...more

### How To : Use a step to for side to side pop push ups

Learn how to do side to side pop push ups across a step. Presented by Real Jock Gay Fitness Health & Life. Benefits Imbalance adds a new challenge in this exercise, in which you do push-ups with one hand on a step and one hand on the floor. You'll work your chest especially h ...more

### How To : Do dumbbell chest press incline reduction

Learn how to do dumbbell chest press incline reduction (incline to decline). Presented by Real Jock Gay Fitness Health & Life. Benefits These monster sets of chest presses will work your pecs from top to bottom, and then bottom to top. Use the adjustable incline bench for a ci ...more

### How To : Hack Frequent Flyer Programs

Screw the airplane man. Ticket prices are too high. Competitive consumer choices are pretty much nonexistent. And need I go into the pain of being crammed into those tiny seats, elbow-to-elbow, thigh-to-thigh with a perfect stranger? Even your average Richie Rich winces at the ...more

### How To : Download the Mac App Store in Mac OS X 10.6.6 & Fix the (100) Error

Mac owners— life just got a little easier. No longer do you have to wait in line for the newest version of iLife. No more searching Amazon or eBay for the best price on Aperture. And no more Angry Birds on your mobile device's small touchscreen! Yes, the new Mac App Store wa ...more

### How To : Install No-Frills Drip Irrigation

Solving a Dilemma This is a simple how-to for a cost effective drip irrigation system for your garden. My motivation to set up my garden for drip irrigation was pretty simple. In the summer, it gets to 90+ degrees outside, and my 50’ garden hose didn’t reach the far extents w ...more

### How To : Dominate the New York Times Crossword Puzzle

First off, don't be frustrated. YOU CAN DO IT! Contrary to the message in the image above, it's NOT over. It's just beginning. And when it comes to solving the New York Times crossword puzzle, the old cliche does apply: practice makes perfect. I've read quite a few books and ...more

### How To : Make Homemade Breast Milk Ice Cream (The Easiest Recipe)

There's no shortage of ice cream recipes out there, but one ice cream shop in London has found a unique recipe to sell to its customers, and of course it's controversial—breast milk ice cream. The Icecreamists make the ice cream from donated breast milk, straight from healthy ...more

### How To : Weather Forecast And Weather Predict Without Technology

We have no control on the weather yet it is a part of our lives which influence what we do, what we eat, what we wear and many times where we live. How did people predict the weather before there was the Internet, television, radio or the weatherperson with all of their gadget ...more

### How To : Make Sure Your Dinner Party Is a Success

Holiday dinners can be the same every year, but many are starting to switch it up, making new traditions and getting a new dining experience for everyone at the table. It’s not unusual to see sweet potatoes on an Easter dinner menu or lamb at Thanksgiving dinner. Some people ...more

### How To : Play the Snake Game Online (YouTube, Gmail & Facebook)

It's 1976. The hottest arcade game on the market is Blockade (or Blokade), an 8-bit maze game for 2 players. You and your opponent must move your characters around the screen in 90-degree angles, leaving a solid line behind them. Whoever runs into one of the solid lines first, ...more

### How To : Find the Best Black Friday Weekend Sales Online

Yesterday was the biggest shopping event of the year— Black Friday— the day after Thanksgiving. Most waiting in huge lines, getting swallowed up by commercialism on its biggest profit-turning day, and there's still tons of shopping to be had on Saturday and Sunday, with many s ...more

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