The Odd Squad Agent's Handbook is the book every new recruit receives. It's filled with tips and tricks on how to be the best agent possible, plus secrets of the squad and highlights from its greatest adventures. In short, this is the ultimate guide to the strange, the unusual, and very, very ... odd.

Annika hopes to change her best friends' hatred of math by winning a Sudoku contest, but she does not realize how important their lack of mathematical ability is until they make a mistake at the school carnival.

Solve a problem with Puppy and a bag full of blocks in this gentle introduction to early math concepts. Puppy wants to build a bed out of blocks, one that is wide enough and long enough for a snooze. But there aren't enough rectangles, squares, and triangles. NOW WHAT? Build, measure, count, compare! Follow along as Puppy tries again and again and again and finally figures out how blocks of different shapes and sizes can fit together to build a bed...

Sixth-grade mathematical genius Charlie Lewis, the Whiz Kids, and new friends follow their hunch that eccentric billionaire Blake Headstrom is importing mammoth tusks for sinister purposes.

When sixth-grade mathematical genius Charlie Lewis is recruited to recover moon rocks taken from NASA's vaults, the Whiz Kids enter a paper airplane contest hosted by the suspect's company.

"It's the first day of the fourth grade at Arthimos Elementary and things are already off to a strange start--poisonous cookies, a zipline disaster, a missing iPad, and what are those strange sounds coming from the school custodian's wheelbarrow? Luckily the Prime Detectives--Abby "the Abacus" Feldstein, Cameron "Cam" McGill, and Gabriel "Gabe" Kim--are on the case! Using arithmetic, geometry, and logic, the Prime Detectives are sure to figure out...

When Stephanie Lewis finds secret writing in the margin of an old book in the library, The Math Kids have a new puzzle to solve. But first, they must learn about codes and ciphers and how they can use their math skills to solve them. As one clue leads to another, the kids are drawn into the mysterious old house that overlooks the town. Is it really haunted like some townspeople say? And who is the man with the long beard who keeps showing up everywhere...

"What happens when you take from where there's more and give to where there's less? While visiting friends Yasmina and Amir, Peg and Cat learn some surprising things about a holiday tradition. It's Eid al-Adha, a very special holiday for Yasmina and Amir, who invite their friends Peg and Cat to check it out. After they all rock out with some singing, it's time to head to the celebration, where there's so much food waiting! Amir explains that an important...

Aspiring to build an amazing derby car out of junkyard parts, Peg and Cat enter the neighborhood Tallapegga Twenty and use their shape-recognition and counting skills to assemble their car and count laps in the hope of winning the Golden Cup.

A playful approach to some core ideas of mathmatics, this book will help lay the foundation for understanding algebra and probability . Dr. O and his young associate Arya explore and discover ideas in ciphers, triangular numbers, primes and composites, probability, and a variety of fascinating number patterns. For a parent and curious child, or for a curious child alone, these mathematical investigations will invite re-reading and further exploration....