Dissatisfied with its shape, a triangle keeps asking the local shapeshifter to add more lines and angles until it doesn't know which side is up.

As two children take a walk with their grandfather, they use their counting skills to help answer a series of animal riddles. Includes related activities.

Amanda loves to count everything, but not until she has an amazing dream does she finally realize that being able to multiply will help her count things faster.

In this rhyming, cumulative story, the number of ants doubles each time they take a new treat from a picnic lunch.

Tom the cat tries to evenly divide the snacks he has baked for himself and two friends, but after gobbling up a few treats, Tom is faced with a new division problem. Includes division activities.

A young boy learns how important it is to know just how long a minute is. Includes a section with related activities.

Using 10 story books, this collection presents 10 literature-based lessons for grades 4-6 that link mathematics with literature.

From the time they get up at seven in the morning until they go to bed at eight o'clock at night, monsters spend a busy day, especially at school. Includes related activities.

When two sisters have to move into the same room, they use tape to divide the room into different shapes so that each one can have her own space. Includes related activities.

When a little boy insists he wants more of everything served to him for breakfast, his sister obliges by rearranging what he has. Includes section with related activities.