Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to change the outcome of the 1936 Olympics by sabotating Jessie Owens. It's up to Ada and Leo to calculate reverse ratios in order to save history.
Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to change history by sabotaging the Lewis and Clark expedition. It's up to Ada and Leo to use multiplication and division to solve for variables in order to save the expedition.
Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to change history by enchanting the water clock in the Library of Alexandria. It is up to Ada and Leo to use addition and subtrations in one step equations to solve for the missing numbers on the clock.
Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to change the Viking Age through a treasure dispute. It’s up to Ada and Leo to figure out which values make the equation or inequality true or false in order to decide how to divide the treasure.
Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to sabotage the building of the Empire State building by changing the building plans. It is up toe Ada and Leo to apply the properties of operations to generate equivalent algebraic expressions to make sure all the building plans are correct.
Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to sabotage Jackie Robinson's baseball debut and change broader history. It's up to Ada and Leo to use substitution and order of operations to determine who the real Jackie Robinson is.
Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to create a food shortage by sabotaging early farmers. It up to Ada and Leo to help early farmers recalculate portions gathered to maintain food sustainablity.
Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to sabotage music by confuesing Mozart. Its up to Ada and Leo to reteach Mozart musical notation.
Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to sabotage Amelia Airhearts flight across the Atlantic. It's up to Ada and Leo to help convert messurments to recalculate for enough fuel for the flight.
Travel through time with Leo and Ada on another one of Professor Chronometry's adventures. Watch them help Professor Chronometry stop his evil nemesis Dr. Timeline in his attempt to change the history of underwater exploration. Its up to Leo and Ada to help Jacques Cousteau recalculate depths by adding and subtracting negative numbers.
It's bedtime for Marco and his stuffed animals, but the animals have other ideas. When Marco tries to put them away, they fly, swim, and slither right out of their bins! Can Marco sort the animals so everyone is happy?
Discover the STEM concepts behind surfing. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn more about the science behind this exciting extreme sport.
Discover the STEM concepts behind snowboarding, including how snowboarders gain enough momentum to do gravity-defying tricks. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn more about the science behind this exciting extreme sport.
Discover the STEM concepts behind skydiving, including how drag and gravity help skydivers free fall through the air. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn more about the science behind this exciting extreme sport.
Discover the STEM concepts behind motocross, including what momentum and friction are. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn more about the science behind this exciting extreme sport.
Discover the STEM concepts behind skateboarding, including how skateboarders use momentum and friction to do tricks. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn more about the science behind this exciting extreme sport.
Discover the STEM concepts behind BMX while learning about different bike designs and the motions and movements athletes use to do tricks and run races. Vibrant, full-color photos and carefully leveled text will engage young readers as they learn more about the science behind this exciting extreme sport.
The equal sign tells us that both sides are the same, but are they? Figure it out in this decodable math book for beginning readers. A combination of domain-specific sight words and sequenced phonics skills builds confidence in content area reading.
Describes the history and purpose of taxes. An introduction explains how money from taxes can benefit the well-being of a community. The remaining chapters detail the history of taxes in society, as well as how taxes work in the United States.
Describes different ways people can pay with money. An introduction explains the history of how early people paid for goods and services before bills and coins were created. The remaining chapters detail the many ways people can pay for things today, including with physical money, debit and credit cards, and banking apps.
Describes the process of opening a business. An introduction explains how kids can start businesses of their own. The remaining chapters detail how to brainstorm, prepare, operate, and market goods or services through a business.
Describes how people work in order to make money. An introduction explains how people get a job or career, as well as how they are paid for the work they do. The remaining chapters detail different types of jobs, the level of training people may need for those jobs, and how people decide on a career.
Describes the importance of saving money. An introduction explains how it is never too early to learn how to save money. The remaining chapters detail the benefits of saving money, as well as explaining helpful methods of building a savings habit.
Describes the concept of interest. An introduction explains how interest works over time and how percentages are used to determine interest rates. The remaining chapters detail different kinds of interest and the ways in which interest can be both good and bad.
Describes the importance of investing money. An introduction explains how the stock market is used to help people and businesses invest. The remaining chapters detail different types of investments people can make and the benefits and drawbacks of investing.
