Introduces the stock market and related issues such as shares, investing, and dividends; features a glossary; and lists resources to explore the subject further.
Introduces the history of money and discusses its development from items such as shells and furs to legal tender; features a glossary; and lists resources to explore the subject further.
Introduces taxes and explains what they are, how they are collected, and what they are used for; features a glossary; and lists resources to explore the subject further.
Introduces supply and demand, defining what they are, what affects them, and how they affect business; features a glossary; and lists resources to explore the subject further.
Discover how math applies to the game of soccer, from the length of the field to the calculation of players' stats.
Readers learn how this simple machine makes it easier to keep objects locked together. By the end of the book, readers know the difference between complex and simple machines and how screws are used in everyday life to make work easier.
Readers learn how this simple machine makes it easier to lift and lower objects. They learn about fixed and movable pulleys and when it is best to use each. By the end of the book, readers know the difference between complex and simple machines and how pulleys are used in everyday life to make work easier.
Introduces payment methods including cash, checks, and credit; features a glossary; and lists resources to explore the subject further.
In this book, readers learn what gravity is and how it impacts weight. They learn about the US customary system and the metric system, where each is used, and the units of measurement in each system. Readers also learn about balances, scales, and estimating weights.
In this book, readers learn what volume is and why and how it is measured. They learn about the US customary system and the metric system, where each is used, and the units of measurement in each system. Readers also learn about volumes of liquids and solids.
In this book, readers learn what temperature is and why and how it is measured. They learn about the Celsius and Fahrenheit scales and where each is used. Readers learn about thermometers and how they help us in everyday life--from taking body temperatures to regulating how cool or warm our homes are.
In this book, readers learn what length is and why and how it is measured. They learn about the US customary system and the metric system, where each is used, and the units of measurement in each system. Readers also learn how to estimate distances and lengths.
In this book, readers learn what the clock measures and why knowing how to tell time--in seconds, minutes, and hours--is important. They learn the history of the clocks, including sundials and hourglasses. They also learn how to read analog and digital clocks to tell time. Sidebars instruct math by showing readers how to add and subtract hours.
In this book, readers learn what the calendar measures and why knowing how to measure days, weeks, months, and years is important. They learn the history of the lunar and solar calendars, how days and months get their names, and the different calendars around the world. Sidebars instruct math by showing readers how to add and subtract days.
Introduces money management, including how to create a budget and the importance of spending, saving, and donating; features a glossary; and lists resources to explore the subject further.
Readers learn how this simple machine makes it easier to lift, lower, and open things. They learn the three types of levers: first-class, second-class, and third-class. By the end of the book, readers know the difference between complex and simple machines and how levers are used in everyday life to make work easier.
Readers learn how this simple machine makes it easier to move things to different levels. They learn how flatter slopes use less effort than steeper slopes. By the end of the book, readers know the difference between complex and simple machines and how inclined planes are used in everyday life to make lifting and lowering objects easier.
Discover how math applies to the game of hockey, from the length of the rink to the calculation of players' stats.
Discover how math applies to the game of basketball, from the length of the court to the calculation of players' stats.
Introduces bartering and explains what it is, its benefits and challenges, and what makes a good transaction; features a glossary; and lists resources to explore the subject further.
Discover how math applies to the game of baseball, from the distance between the bases to the calculation of players' stats.
Introduces banking and explains services such as savings accounts and loans, banking insurance, and being a dependable borrower; features a glossary; and lists resources to explore the subject further.
