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.
Follow the story of a family buying a new car, learning how to calculate ratios and proportions along the way! This fun title helps readers practice their mathematical skills while teaching them about cars and automobile purchasing. With exciting images, easy-to-read text, helpful practice problems, STEM topics, and an accessible glossary and index, this title will keep readers engaged while showing how useful mathematics can be in daily life!
The need for speed is the motivating factor in this engaging book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther.
