Somebody has stolen money from the soccer team. Everyone thinks Tom, the team's big bully, did it, but he says it wasn't him. Should Adam, Amy, Joy, and Sam believe him and help? They will have to figure out how much money was stolen-and also why! The kids work with dollars and cents to find . . . The Hundred-Dollar Robber.

At Sifu Faiza's Kung Fu School, kids learn to be strong and fast. They also learn to be smart, cool-headed, and honest. So Joy, Adam, Sam, and Amy are surprised when the key to the school is stolen-as well as all their kung fu gear. Now they'll have to use all kinds of calculations-addition, subtraction, multiplication, and division-to figure out the clues, follow the thieves, and find . . . The Lost Key.

A puzzle left behind by Sifu Faiza's grandfather has everyone stumped. A circle divided into wedges shows part of the formula for an ancient medicine. But some of the wedges are blank, and no one knows how or why the original formula disappeared! Joy, Adam, Amy, and Sam will have to use clues-and fractions-to discover the truth about...The Ancient Formula.

It's Stacy's turn to take care of her school's pet fish when somebody pulls a prank. The trickster dumped a complicated concoction of chemicals from the science lab into the fountain, and now the fish are in danger! Stacy and her friends from Sifu Faiza's Kung Fu school must use multiplication and division to solve the who, what, and when behind...The Fishy Fountain.

Sam and his friends at the kung fu school use mathematics to solve puzzles about boiling water and melting glass, and figure out the secret to opening a clock that is really a lock while helping Sifu Faiza.

After the fence gate is left unlatched, Amy's playful new puppy, Brada, escapes! The other kids want to help Amy and her parents look for Brada. But to find her quickly, they will need to figure out where she's most likely to go. They'll use what they know about where she's gone in the past-and probability-to find...The Runaway Puppy.

The students of Sifu Faiza's Kung Fu School use their knowledge of fractions as they try to discover what happened to Leung Jan's long-lost healing formula.

When Amy's puppy runs away, the kung fu students make a bar chart showing places the dog is most familiar with and how often she has visited them in order to determine the probability of where she might be.

The science club has created a big book bandit sculpture in the public library. But how did they get the sculpture in through the tiny library window? The librarians offer a prize to whoever can figure out the puzzle. The kids from Sifu Faiza's Kung Fu School know they can win, but it will take all of their geometry skills plus some unexpected cooperation to size up . . . The Book Bandit.

Somebody has stolen money from the soccer team. Everyone thinks Tom, the team's big bully, did it, but he says it wasn't him. Should Adam, Amy, Joy, and Sam believe him and help? They will have to figure out how much money was stolen-and also why! The kids work with dollars and cents to find . . . The Hundred-Dollar Robber.