For having skipped the school field trip, Dee, Hector, and Terrence must join the mathletes team but as they are poised to beat the undefeated champions, secret crime fighter Lunch Lady discovers something strange about the opposing team.
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.
Is what Adam and Tom overhear true? Is Sifu Faiza selling the kung fu school? And can they find a way to change her mind in time? All the kids get together to help, but they'll have to figure out a mysterious puzzle about hours, minutes, and temperature to find the unexpected solution in...The Kung Fu Puzzle.
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.
After a prank is pulled putting dangerous chemicals in the fountain at Stacy's new science magnet school, four friends from Sifu Faiza's Kung Fu School use multiplication and division to help figure out who did it and how.
Someone has stolen money from the soccer team's car-wash earnings, and the students from Sifu Faiza's Kung Fu School must set aside their feud with the soccer players to figure out how much money was stolen and by whom.