This book explains how models help us test new designs and to understand living things. The book includes various types of models, such as scale, graphical, conceptual, and computer models, which are used to analyze how we understand different things.

This book explains the various methods of scientific tools, including measurement, models, and tools that extend our senses, and how these scientific tools are changing.

Take an in-depth look at mathematics in science in this science encyclopedia.

People who make clothes need to get their numbers right. From the length of fabric to the size of a pair of jeans, math plays an important role in the fashion industry. In Fashion Math, you'll learn some of the ways the math you learn in the classroom is important on the catwalk. You may even want to use that math to try your hand at making your own clothes!

Almost any game you play needs math. From poker to computer games, from video games to board games, math has a role to play. Game Math will help you understand your favorite games better. You may even find you're a better player when you understand the math behind the rules!

When you see a sign in your favorite store saying that everything is 30% off, can you do the math to figure out what that means? Are you good at keeping track of how much things cost while remembering how much money you actually have in your wallet? What about sales tax? Do you remember to add that on to your total costs when you're deciding if you have enough money to buy a pair of jeans? Shopping Math can help you do all this and more!

The speed of a pitch, the number of points scored, the time left on the clock . . . math is everywhere in the world of sports. Learn about the numbers and statistics behind sports like baseball, basketball, and football, and you'll find you understand the sports you love even better. In Sports Math, you'll discover that the math you learn in the classroom is just as important on the soccer field and basketball court.

We live our lives according to the numbers on a clock. Whether its getting to school on time, allowing enough time in a day for the things we need to do, or timing an activity, those numbers are an important part of almost everything we do. Time Math will help you understand schedules and timetables. You'll be able to better manage the math that runs our clocks!

If youve ever gotten a check for your birthday or saved money for something you wanted to buy, youve seen that even a little money can mean a lot of math. Understanding the math behind money and banking can help you save and spend wisely, even if you dont have much. In Banking Math, youll learn about the numbers and arithmetic that are part of everyday life. Whether youre buying something at the store or saving for a vacation, math is a huge part of everyday life.

Have you ever thought about starting a business? Even if you just babysit . . . or mow lawns . . . or sell homemade jewelry at craft fairs, youll need to know some basic math to help you keep track of your expenses and earnings. Businesses need math. Learn what youll need to know to make money. Who knows where it might lead you!

From download speeds to the amount of memory left on your hard drive, math is a big part of using computers. Understanding the math that is so important to computers can help you in the classroom and in future jobs. When you're playing computer games, understanding math can even help you have more fun. In Computer Math, you'll learn about how math powers the computers you use every day.

Cooking is a kind of science - you have to get the measurements right to make everything work. It takes math. In Culinary Math, you'll discover how numbers, ratios, and other math help make tasty foods you can cook yourself.

Positive and negative numbers are addressed in this fun book with rhyming text. Learn all about absolute value, how to compare and order numbers, rational values, and four quadrant graphing, with easy to understand examples and practice exercises. So, hop on the number line and start learning more about numbers. This book will allow students to recognize that in a multi-digit number, a digit in one place represents 10 times as much as it represents in the place to its right and 1/10 of what it represents in the place to its left.

Through this rhyming text with a catchy title and colorful graphics, students will enjoy learning about graphing in a groovy way! The book is designed to make this math concept easy to understand and is filled with examples and question/answer based exercises. So, jump on the grid lines and find out all you need to know about groovy graphing! This book will allow students to recognize area as an attribute of plane figures and understand concepts of area measurement.

Step into the unknown and find balance in math equations. This book, with rhyming text, explores how to solve equations by checking that both sides are balanced. By using visual representations and sample questions, students will master one-variable equations. This book will allow students to write, read, and evaluate expressions in which letters stand for numbers.

Multiplying and dividing fractions can be a funky mess if you dont take the right steps. The rhyming text in this book will help students understand, in a fun way, just how to tackle these fractions with step-by-step directions and visual representations. Students can then practice what they learned by completing the sample problems! This book will allow students to apply and extend previous understanding of multiplication and division to multiply and divide fractions.

Decimals have never been more fun to learn about than in this rhyming text with step-by-step shortcuts on mastering how to add, subtract, multiply, and divide decimals. Place value, digits, multiplying by powers of ten, models, and practice exercises, all with color-coded answer keys are just a fraction of what will help students learn just how dandy decimals can be! This book will allow students to add, subtract, multiply, and divide decimals to hundredths, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.

This book is designed to make a point about decimals! With the rhyming text and catchy title, students will learn that adding, subtracting, multiplying, or dividing decimals is not scary at all. With step-by-step instructions, tips, and sample problems, students will have the confidence to solve these dazzling decimal problems! This book will allow students to add, subtract, multiply, and divide decimals to hundredths.

Get to the bottom of fractions with this rhyming title about dynamic denominators. Understand the importance of like denominators when comparing fractions and how to convert fractions so they have the same denominator! Students will gain a better understanding of this math concept with the help of step-by-step instructions, tips, and sample problems. This book will allow students to add and subtract fractions with unlike denominators.

Dont be scared of division, just dive right in! With guided instruction, tips, and rhyming text, students will understand how to divide with various techniques. Sample problems allow students to show what they know. This book will allow students to understand properties of multiplication and the relationship between multiplication and division and solve problems.

Converting measurement can be a lengthy problem at times. This book will help students gain understanding in converting measurements with rhyming text and sample problems. Visual representations and instructions will guide them through conversions. Get ready to learn how marvelous measuring can be! This book will allow students to solve problems involving measurement and conversion of measurements from a larger unit to a smaller unit.

With rhyming text, this book will have students mastering multiplication with easy tricks and tips! With visual representation, sample problems, and easy to follow instructions, students will see the pattern within multiplication rules. This book will allow students to understand properties of multiplication and the relationship between multiplication and division.

Dont have a meltdown! You will understand factors and multiples with step-by-step instructions, sample problems, and tips to help you along the way. Visual representations paired with rhyming text will help students avoid any math meltdown. This book will allow students to gain familiarity with factors and multiples.

In this rhyming text students will gain understanding of how geometry is made up of lines, angles, and shapes, and how to differentiate between these sometimes confusing ideas. This book will guide them through understanding geometry with the help of visual representations, step-by-step instructions, and sample questions. So, hop on the line and follow the path of understanding geometry! This book will allow students to draw and identify lines and angles, and classify shapes by properties of their lines and angles.

Take action in understanding all about fractions in this rhyming text with sample questions, picture representations, and easy to follow instructions. Students will learn about the different types of fractions and how to add and subtract them! This book will allow students to develop understanding of fractions as numbers.