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<!doctype html> <html lang="en"> <head> <meta charset="UTF-8">  <title>Numbers Index</title> <meta name="description" content="Number Skills are very valuable."> <script>reSpell=[["colors","colours"],["math","maths"]];</script>  <link rel="canonical" href="https://www.mathsisfun.com/numbers/"> <script type="application/ld+json"> { "@context": "https://schema.org", "@type": "CollectionPage", "url": "https://www.mathsisfun.com/numbers/", "name": "Numbers Index", "description": "Number Skills are very valuable.", "publisher": { "@type": "Organization", "name": "Math Is Fun", "url": "https://www.mathsisfun.com" } } </script> <meta name="keywords" content="math, maths, mathematics, school, homework, education"> <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes"> <meta name="HandheldFriendly" content="true"> <meta name="referrer" content="always"> <link rel="preload" href="../images/style/font-champ-bold.ttf" as="font" type="font/ttf" crossorigin> <link rel="preload" href="../style4.css" as="style"> <link rel="preload" href="../main4.js" as="script"> <link rel="stylesheet" href="../style4.css"> <script src="../main4.js" defer></script> </head> <body id="bodybg"> <div id="stt"></div> <div id="adTop"></div> <header> <div id="hdr"></div> <div id="tran"></div> <div id="adHide"></div> <div id="cookOK"></div> </header> <div class="mid"> <nav> <div id="menuWide" class="menu"></div> <div id="logo"><a href="https://www.mathsisfun.com/"><img src="../images/style/logo.svg" alt="Math is Fun"></a></div> <div id="themeChg"></div> <div id="search" role="search"></div> <div id="linkto"></div> <div id="menuSlim" class="menu"></div> <div id="menuTiny" class="menu"></div> </nav> <div id="extra"></div> <article id="content" role="main">  <h1 class="center">Numbers ... !</h1> <p class="center">Number Skills are very valuable.</p> <div class="simple"> <table style="border: 0; margin:auto;"> <tr style="text-align:center;"> <td class="large"><a href="../decimals-menu.html">Decimals Menu</a></td> <td class="large"><a href="../fractions-menu.html">Fractions Menu</a></td> <td class="large"><a href="../percentage-menu.html">Percentages Menu</a></td> </tr> </table> </div><br> <p class="floatRt"><img src="images/arrow-thinks-4.jpg" alt="dog thinks 4" height="206" width="300"></p> <h3>Counting</h3> <ul class="large"> <li><a href="counting.html">Counting</a>  </li> <li><a href="number-chart.html">Colorable Number Chart</a></li> <li><a href="skip-counting.html">Skip Counting</a></li> <li><a href="number-block-freeplay.html">Number Blocks Freeplay</a></li> <li><a href="../place-value.html">Place Value</a></li> <li><a href="numbers-numerals-digits.html">Numbers, Numerals and Digits</a></li> <li><a href="numbers-compose-decompose.html">Composing Numbers</a></li> </ul> <h3>How to do add, subtract, multiply and divide</h3> <p style="float:right; margin: 0 0 5px 10px;"><img src="images/sage-pups-multiply.svg" alt="dog multiplies 4x2=8" height="180" width="298"></p> <ul class="large"> <li><a href="addition.html"><img src="../images/style/plus.svg" alt="add" style="vertical-align:middle;" height="44" width="44"> Addition</a></li> <li><a href="subtraction.html"><img src="../images/style/minus.svg" alt="Subtract" style="vertical-align:middle;" height="44" width="44"> Subtraction</a></li> <li><a href="../tables.html"><img src="../images/style/multiply.svg" alt="Multiply" style="vertical-align:middle;" height="44" width="44"> Multiplication</a> and <a href="multiplication-long.html">Long Multiplication</a></li> <li><a href="division.html"><img src="../images/style/divide.svg" alt="Divide" style="vertical-align:middle;" height="44" width="44"> Division</a> and <a href="../long_division.html">Long Division</a></li> </ul> <div style="clear:both"></div> <h3>More about add, subtract, multiply and divide</h3> <ul class="large"> <li><a href="math-trainer-multiply.html">Math Trainer Multiplication</a></li> <li><a href="../algebra/word-questions.html">Word Questions</a></li> <li><a href="calculator-fun.html">Calculator Fun</a></li> <li><a href="../positive-negative-integers.html">How to Add and Subtract Positive and Negative Numbers</a></li> <li><a href="casey-runner.html">Casey Runner</a></li> <li><a href="multiply-by-zero.html">Multiplying By Zero</a></li> <li><a href="../multiplying-negatives.html">Multiplying Positive and Negative Numbers</a></li> <li><a href="../operation-order-gems.html">Order of Operations - GEMS</a>, <a href="../operation-order-pemdas.html">PEMDAS</a> or <a href="../operation-order-bodmas.html">BODMAS</a></li> <li><a href="../games/make-the-number.html">Make The Number Game</a></li> <li><a href="../associative-commutative-distributive.html">Associative, Commutative and Distributive Laws</a></li> </ul> <h3>How to work with Decimals</h3> <ul class="large"> <li><a href="../decimals-menu.html">Decimals Menu</a></li> </ul> <div class="center"><img src="images/number-line-decimals.svg" alt="number line decimals" height="43" width="372"></div> <h3>How to work with Percentages</h3> <div class="floatRt"><img src="images/percent-sign.svg" alt="percent" height="49" width="53"></div> <ul class="large"> <li><a href="../percentage-menu.html">Percentages Menu</a></li> </ul> <div style="clear: both;"></div> <div class="floatLt"><img src="../images/fractions/pizza-1-3.svg" alt="pie 4/8" height="120" width="120"></div> <h3>How to work with Fractions</h3> <ul class="large"> <li><a href="../fractions-menu.html">Fractions Menu</a></li> </ul> <div class="floatRt" style="font-size:600%;">≈</div> <h3>How to Estimate answers</h3> <ul class="large"> <li><a href="estimation.html">Introduction to Estimation</a></li> <li><a href="estimation-tips-tricks.html">Estimation Tips and Tricks</a></li> <li><a href="estimation-visual.html">Visual Estimation</a></li> <li><a href="estimation-game.php">Estimation Games</a></li> </ul> <p style="float:right; margin: 0 0 5px 10px;"><img src="../geometry/images/slope-pos.svg" alt="ascending slope" height="80" width="130"></p> <h3>How to Put Numbers in Order</h3> <ul class="large"> <li><a href="../ordering-numbers.html">Ordering Numbers</a></li> <li><a href="../ordering_decimals.html">Ordering Decimals</a></li> <li><a href="ordering-game.html">Ordering Games</a></li> </ul> <p style="float:right; margin: 0 0 5px 10px;"><img src="../algebra/images/sage-holds-x.svg" alt="algebra dog" height="161" width="86"></p> <h3>Algebra, the next step after Numbers</h3> <ul class="large"> <li><a href="../algebra/index.html">Algebra Menu</a></li> </ul> <h3>Special Numbers</h3> <ul class="large"> <li><a href="cardinal-ordinal-nominal.html">Cardinal, Ordinal and Nominal Numbers</a> <a href="cardinal-ordinal-chart.html">Cardinal / Ordinal Chart</a></li> <li><a href="../prime-composite-number.html">Prime Numbers</a> and <a href="prime-properties.html">Prime Properties</a></li> <li><span class="times"><a href="pi.html">π</a></span><a href="pi.html"> (Pi)</a>, <a href="e-eulers-number.html">e (Euler's Number)</a>, <a href="golden-ratio.html">Phi (The Golden Ratio)</a></li> </ul> <h2>Other Number Systems</h2> <h3>Binary</h3> <p style="float:right; margin: 0 0 5px 10px;" class="largest">1010</p> <ul class="large"> <li><a href="../binary-digits.html">Binary Digits</a></li> <li><a href="../binary-number-system.html">Binary Number System</a></li> <li><a href="binary-count-fingers.html"><img src="../images/style/activity-small.svg" alt="activity" height="30" width="41"> Binary Fingers</a></li> </ul> <h3>Hexadecimal</h3> <p style="float:right; margin: 0 0 5px 10px;" class="largest">F87A</p> <ul class="large"> <li><a href="../hexadecimals.html">Hexadecimal Numbers</a></li> <li><a href="../hexadecimal-decimal-colors.html">Hexadecimal Colors</a></li> <li><a href="binary-count-fingers.html"><img src="../images/style/activity-small.svg" alt="activity" height="30" width="41"> Hexadecimal Drum Machine</a></li> </ul> <h3>Other Bases</h3> <p style="float:right; margin: 0 0 5px 10px;" class="largest">132</p> <ul class="large"> <li><a href="bases.html">Number Bases</a></li> </ul> <h3>Other Cultures</h3> <p class="center"><img src="images/number-systems.svg" alt="number systems" height="102" width="388"></p> <p style="float:right; margin: 0 0 5px 10px;" class="largest">XVI</p> <ul class="large"> <li><a href="../roman-numerals.html">Roman Numerals</a></li> </ul> <h2>Number Theory</h2> <ul class="large"> <li><a href="number-theory-intro.html">Introduction to Number Theory</a></li> <li><a href="number-theory.html">Number Theory</a></li> <li><a href="modulo.html">Modulo Operation (Modulus)</a></li> <li><a href="../divisibility-rules.html">Divisibility Rules</a></li> </ul> <h2>Other Pages</h2> <ul class="large"> <li><a href="evolution-of-numbers.html">Evolution of Numbers</a></li> <li><a href="../sets/game-theory.html">Game Theory</a></li> <li><a href="basic-operations.html">Basic Operations</a></li> <li><a href="fix-equation.html">Fix The Equation</a></li> </ul><br> <ul class="large"> <li><a href="../long_division2.html">Long Division with Remainders</a></li> <li><a href="../long_division3.html">Long Division to Decimal Places</a></li> </ul><br> <ul class="large"> <li><a href="../1089.html">"Always End With 1089"</a></li> <li><a href="../percentage.html">Percentage</a></li> <li><a href="../ratio2.html">Ratio</a></li> <li><a href="abacus.html">Abacus</a></li> <li><a href="../braille.html">Braille</a> and <a href="../braille-translation.html">Braille Translator</a></li> <li><a href="../tables.html">Times Tables</a></li> <li><a href="../timestable.html">Times Tables Test</a></li> <li><a href="geometric-mean.html">Geometric Mean</a></li> <li><a href="factorial.html">Factorial Function</a> and <a href="gamma-function.html">Gamma Function</a></li> <li><a href="benfords-law.html">First Digits Rule!</a></li> <li><a href="odd-square-number.html">Squares and Odd Numbers</a></li> <li><a href="tens-complement.html">Tens Complement</a> and <a href="fix-equation-10.html">What Makes 10?</a></li> </ul> <p> </p> <div class="related"> <a href="../algebra/index.html">Algebra</a> <a href="../index.htm">Home</a> </div>  </article> <div id="adend" class="centerfull noprint"></div> <footer id="footer" class="centerfull noprint"></footer> <div id="copyrt">Copyright © 2024 Rod Pierce</div> </div> </body>  </html>