Colorful teddies make great counting tools.

"An elegant and amusing account" of how gambling has been reshaped by the application of science and revealed the truth behind a lucky bet (Wall Street Journal). For the past 500 years, gamblers-led by mathematicians and scientists-have been trying to figure out how to pull the rug out from under Lady Luck. In The Perfect Bet, mathematician and award-winning writer Adam Kucharski tells the astonishing story of how the experts have succeeded, revolutionizing...

In ancient Greece, young Pythagoras discovers a special number pattern (the Pythagorean theorem) and uses it to solve problems involving right triangles. Suggested level: primary.

Henri has attended a special school for her learning disability, dyscalculia, but when she is mainstreamed, she finds herself struggling to balance other parts of her life, and not just in math class--a family feud, drama on the soccer team, and a passion for poetry.

Probability measures how likely it is something will happen. Is it more likely or less likely? Possible or impossible? What color crayon is less likely to be picked? Students are introduced to the processes of predicting, investigating, and reasoning. This title also will allow students to determine the main idea of a text, recount the key details, and explain how these details support the main idea.

Explore math in the kitchen using six simple recipes.

Horrible Harry must defend his reputation as a detective by cracking the secret code of Mrs. Funderburke's lunch prizes.

"Learn about addition, partial sums, regrouping and place value"--Provided by publisher.

Betsy Franco is back with a performance that explores a range of math topics--from fractions and time measurements to geometry and graphs--in a way that relates math to the daily lives of children. Illustrated by Priscilla Tey, whose clever mechanical "Numbots" guide readers through a surreal playground of calculated delights from multiplying mice to missing socks, from stinky scales to bug races.