Search Results: 60 books from 2 publishers. Learn more

Sacagawea’s Sojourn

K12 (author)

Publisher: K12 ISBN: 9781967811199

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.

The Lost Library

K12 (author)

Publisher: K12 ISBN: 9781967811182

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.

Leif’s Fair Share

K12 (author)

Publisher: K12 ISBN: 9781967811175

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.

The Mohawk Skywalkers

K12 (author)

Publisher: K12 ISBN: 9781967811168

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.

RoboRobinson’s Curveball

K12 (author)

Publisher: K12 ISBN: 9781967811151

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.

The Great Food Inequality

K12 (author)

Publisher: K12 ISBN: 9781967811144

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.

Mozart’s Musical Expressions

K12 (author)

Publisher: K12 ISBN: 9781967811137

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.

Amelia Earhart and The Great Divide

K12 (author)

Publisher: K12 ISBN: 9781967811120

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.

Cousteau Under Pressure

K12 (author)

Publisher: K12 ISBN: 9781967811113

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.

Mysteries of Magic

Mari Bolte (author) Minerva Fox (illustrator)

Publisher: ABDO ISBN: 9781098239800

A seat at the Ara School of Magic is all Namu's--that is, if she can get there on time. When their carriage breaks down, Hye and Namu are left to fend for themselves. Can they find common ground and work together as teammates, or are both headed home?