Fifteen miniature worlds, each showcasing a math problem.

The castle steward, Edmund Rounds, has a son-Rounds 2-who helps count supplies for Sir Cumference and Lady Di. When Rounds 2 goes to find out whether the travelers he's seen camping in the woods are in need of provisions, he discovers something that sends him running in a beeline back to the castle. The travelers are Sir Wantsalot and his men! Can Rounds 2 figure out the bow and arrow totals in time to know whether there are enough to defend the castle?...

Ten instruments take their parts one by one in a musical performance.

In this rhyming counting book, one energetic puppy and two children set out for some snowy day fun.

"This lyrical picture book follows one boy's early morning bus ride to school and the many things he observes"--

Ghouls, goblins, ghosts, witches, and other scary creatures cavort in the forest on Halloween, introducing the numbers one through ten.

Ten little mice, huddled together in Christmas snow, go off one by one to find warm places to sleep, but soon decide they would rather be together celebrating the special night.

Uses M&M candies to introduce counting, addition, subtraction, sets, colors, and shapes.

Introduces the seven symbols and their values, shows how to add and subtract to make numbers. Teaches how the symbols interact and about the bar across the top and the open box that are used for larger numbers. Shows Roman numerals in real life settings: on clocks, in books, and on buildings.