Stuart J Murphy

Teaches children about multiplication by telling a story about a boy who takes care of five ducks, and how his work doubles when each duck brings home a friend.

Introduces the concept of halves using a simple rhyming story about a brother and sister who do not want to share their food.

Introduces pattern recognition as a sock searches the house for its lost mate.

Readers learn how to estimate as two friends guess how many passengers are on a bus, cars are in a traffic jam, and jelly beans are in a jar; also includes extension activities.

As he asks more and more friends to join him for lunch, Turtle must make up sets of dishes to accommodate them.

Jenny and Jeff are driving their little sister nuts with their contest fighting over who is best, and now that they are moving into a new house, they are arguing over whose room is bigger, so the children work together to calculate area to settle the debate.

A simple story about four dogs at a dog show introduces the ordinal numbers: first, second, third, and fourth.

A surprise birthday party planned for a kangaroo by his friends provides many opportunities for the reader to add and multiply various things.

At a family reunion, the cousins line up in order of their ages to get their pictures taken, introducing the concept of numerical order.

Circus animals and performers getting ready for a show form basic geometric shapes.