Practice solving equations and inequalities while learning about land animals from all over the world! Readers will learn interesting facts about earth's land animals, discovering how zoologists use variables to solve equations and inequalities and answer questions about these animals. Fun examples allow children to become familiar with functional equations, equivalent equations, inequalities, and algebraic expression. Featuring eye-catching images, exciting practice problems, easy-to-read text, STEM themes, clear mathematical charts and diagrams, and an accessible glossary and index, this title will engage students and simplify advanced mathematical concepts!

See how people collect data as part of their jobs! Collecting data is very important for weather predictions, the U.S. government census, emergency rescue workers, and more! This title teaches readers about multidigit number data collection, introducing concepts like approximation and estimation. Vibrant images, practical examples, and clear mathematical charts make data collection seem familiar and simple. This book will leave readers feeling prepared to improve their own data collection and STEM skills.

Imagine printing a human heart with the click of a button. Sound impossible? Scientists and doctors are getting closer to transplanting human body parts made from 3-D printers. Read how doctors are using 3-D printers to change lives as you add and subtract fractions. By integrating math and literacy skills, this math reader focuses on STEM topics and makes learning fractions simple, relevant, and fun. Let's Explore Math sidebars, the extensive Problem Solving section, and the clear mathematical charts and diagrams provide numerous opportunities for students to practice what they have learned. The DOK-leveled Math Talk section includes questions that facilitate mathematical discourse and activities that students can respond to at school or home. With intriguing full-color images, the book includes text features such as a glossary, index, captions, and a table of contents to increase understanding and build academic vocabulary. The real-world examples of problem solving allow students to explore STEM concepts in meaningful ways. Practice adding and subtracting fractions with this engaging grade 4 math reader!

Learn how to read and construct statistical graphs and prepare for a concert! This fun story will engage readers as they master bar graphs, circle graphs, line graphs, histograms, and line plots. This engaging title features eye-catching images, exciting practice problems, easy-to-read text, STEM themes, clear mathematical charts and diagrams, and an accessible glossary and index. This title shows how simple, useful, and fun statistical graphing can be! Students will feel encouraged to see how they can use graphs to plan events of their own!

Readers will learn about unique creatures of the deep while completing engaging practice problems to familiarize themselves with functional equations, equivalent equations, inequalities, and algebraic expression. Featuring eye-catching images of marine animals, engaging practice problems, easy-to-read text, STEM themes, clear mathematical charts and diagrams, and an accessible glossary and index, this title will engage students and simplify advanced mathematical concepts!

Learn about measures of central tendency while following the lives and work of some brave individuals--tornado chasers! This exciting title teaches readers about the instruments that tornado chasers use, encouraging them to analyze the data that these instruments collect. With these exciting examples, readers will be able to master mathematical statistics, measures of central tendency, box plots, mean, median, mode, and more! This title features eye-catching images, exciting practice problems, easy-to-read text, STEM themes, clear mathematical charts, and an accessible glossary and index.

Learn about measures of central tendency while following the lives and work of hurricane hunters! This engaging title teaches readers about the instruments that hurricane hunters use and encourages them to analyze the data that these instruments collect. With these exciting examples, readers will be able to master mathematical statistics, measures of central tendency, mean, median, mode, range, and more! This title features vivid images, exciting practice problems, easy-to-read text, STEM themes, clear mathematical charts, and an accessible glossary and index.

Practice measuring surface area and volume while following the story of a family as they pack and move into a new house! Understanding how to measure two-dimensional and three-dimensional shapes by radius, diameter, surface area, and volume can make packing a much easier, more efficient process! This title encourages readers to practice their measurement skills and shows them how they can put these skills to use outside of the classroom. With the help of familiar images, easy-to-read text, simple practice problems, and mathematical diagrams, readers will be able to improve their developing mathematical and STEM skills in a practical, useful way!

Understanding geometry is very important when designing a backyard! Designers have to know how to measure the perimeter and area of design spaces. This vibrant title teaches readers about landscape architecture and design while encouraging them to practice their geometric measurements, like perimeter, area, diameter, radius, and angles. With the help of interesting images, easy-to-read text, related practice problems, STEM topics, and clear mathematical diagrams, this title makes geometry fun and simple, allowing readers to use their mathematical skills creatively!

Learn how designers work with two-dimensional and three-dimensional shapes, measuring their surface area, volume, diameter, and radius, to create great package designs! Students will learn about familiar package designs while practicing their own measurement and STEM skills. With familiar images, easy-to-read text, simple practice problems, and clear mathematical diagrams, this title will leave readers more confident in their measurement skills while showing them how mathematics affects them and the products that they use every day!

Learn how scientists use algebraic expressions to explore the growth of amoebas, euglenas, and bacteria! This informative title challenges readers to master new mathematical concepts like algebraic expression and exponential form. After learning about the microscopic creatures that scientists study, readers can complete related practice problems to familiarize themselves with algebraic expressions. Featuring easy-to-read text, related practice problems, mathematical diagrams, STEM themes, and a glossary and index, this book gives readers the necessary tools to feel comfortable writing, simplifying, and evaluating expressions!

Write, simplify, and evaluate algebraic expressions to explore how quickly germs can spread! This informative title teaches children all about germs and how they spread, encouraging healthy habits, while allowing them to practice algebraic expression, exponential form, and distributive property. With eye-catching images, easy-to-read text, related practice problems, clear mathematical diagrams, STEM themes, and an accessible glossary and index, this book gives readers the necessary tools to feel comfortable writing, simplifying, and evaluating expressions!

Practice working with fractions, decimals, and percentages while learning how popular food items are made! This title encourages readers to practice operations, teaching them how to compare and combine fractions by using the greatest and least common denominator. With exciting images, easy-to-read text, engaging practice problems, clear mathematical diagrams, and STEM themes, this fun book will leave readers feeling more confident about their mathematical skills, encouraging them to practice outside of the classroom too!

This engaging title tells the story of children who start a business to help people care for their pets. As the business grows, the children use bar, circle, and line graphs as visual representations of their business. These mathematical charts and diagrams help readers understand how to best improve a business. This story not only shows children how useful clear graphs can be outside of the classroom, but encourages them to see if they can start their own responsible businesses! Through this title's fun story, vibrant images, clear mathematical diagrams, easy-to-read text, and simple practice problems, readers will be engaged and encouraged to improve their graphing and STEM skills.

Learn all about calculating volume at the aquarium! Aquarium workers have to understand volume to design the best tanks for marine animals. Volume helps them determine how much water to put in a tank and how much food to feed the animals. Readers will learn about this and more, all while practicing volume calculation and mathematical formulas in a practical and fun way! With the help of eye-catching images, easy-to-read text, simple practice problems, clear mathematical charts, and an engaging story, this text will leave readers entertained and confident in their cubic measurement and STEM skills.

Learn how important data analysis is to crime scene investigations! Investigators examine data from fingerprints, blood samples, DNA samples, and lie detector tests to analyze and interpret crime scenes. This exciting title provides readers with engaging examples of data analysis and probability. Through eye-catching images, easy-to-read text, simple practice problems, and clear mathematical charts and diagrams, this title will leave readers more confident in their data analysis and STEM skills, all while showing them how the things they learn are used outside of the classroom in very important ways!

This exciting title shows readers how important volume is to flying a hot air balloon properly. Explore the history of the hot air balloon and learn how these eye-catching balloons fly! For hot air balloons to fly properly, passengers have to calculate the volume of the basket to see which balloon will be able to carry them. With vibrant images, easy-to-read text, simple practice problems, and clear mathematical diagrams, this title will engage readers while simplifying important mathematical formulas and STEM themes.

Read along as three children become crime scene investigators when pieces of their favorite playground equipment begin to disappear! The children collect data and analyze their findings, eventually catching the culprit! This exciting example of data analysis and STEM themes will keep readers engaged and show them how useful data analysis can be! With vivid images, easy-to-read text, related practice problems, mathematical charts, and an exciting story, this title makes data analysis exciting and simple for readers to use in the classroom and on their own!

Learn all about graphing in this informative title! This book helps readers understand how to graph a clear visual representation of data, encouraging mathematical and STEM skills. See strong examples of bar graphs, circle graphs, and line graphs, learning the best way to present data using these tools. Full of vibrant images, easy-to-read text, clear mathematical diagrams, and simple practice problems, this title will help readers improve their graphing skills, creating their best graphs yet!

Learn all about angles with this exciting book about basketball! Examples taken from the lively sport keep readers engaged and help them better understand geometry and STEM themes. Readers will learn about different types of angles and their qualities, familiarizing themselves with acute angles, obtuse angles, right angles, and straight angles. All of these angles have a vertex, rays, and an angle degree that children can determine with a protractor. This title encourages children to apply mathematics to other topics by teaching them about both sports and angles in one entertaining book! Vibrant images, easy-to-read text, engaging practice problems, and an accessible glossary work together to make learning about angles easy and exciting!

Learn how builders use perimeter and area to build towns and cities! Perimeter and area are important measurements that help builders design homes, parks, and more! This charming title teaches children how cities are built, while giving them great examples to practice calculating perimeter and area, improving their mathematical skills through STEM themes. With easy-to-read text, engaging practice problems, clear mathematical diagrams, and an accessible glossary, this title gives readers everything they need to make these calculations with ease. By the end of this book, readers will feel very familiar with perimeter, area, and grid patterns.

Have fun learning about perimeter, area, and grid patterns at amusement parks! This exciting title teaches children all about amusement parks and how they are built while incorporating important mathematical and STEM skills. With vibrant images, easy-to-read text, engaging practice problems, clear mathematical diagrams, and an accessible glossary, this title gives readers everything they need to calculate perimeter and area with ease.

Great sports players understand angles! Readers are introduced to geometry in this exciting title that uses easy-to-read text, STEM topics, eye-catching photos, and engaging practice questions to teach children about basic geometrical concepts, including angles, lines of symmetry, perpendicular lines, and a vertex. Featuring challenging mathematical problems, a glossary, and useful index, this title will give readers all the tools they need to learn the winning angles!

Learn how to create algebraic equations while traveling through our solar system! Introduce students to variables, expressions, and equations in this exciting title about the night skies. This book challenges students to learn more advanced mathematical and STEM skills, using exciting astronomy examples to keep readers engaged. Readers will practice familiar mathematical skills, like addition and subtraction, in a new way by forming equations! With eye-catching photos, easy-to-read text, and clear practice problems, this title makes mathematical concepts that could be seen as intimidating seem simple and fun instead!

Find the answers to all kinds of questions using mathematical equations! This title teaches readers that they can use their understanding of variables, expressions, and equations to answer questions about anything from food to space! Create an equation to calculate how much pizza two boys eat! Create an equation to calculate how many baby teeth a growing child has left! Mathematical equations can provide the answers to so many questions. This book shows readers how practical and useful their mathematical and STEM skills can be, encouraging them to look for math everywhere! With vibrant images, easy-to-read text, and simple practice problems, this title will make equations fun and easy!