Stuart J Murphy

While trying to save enough money to buy a new ice scooter, Perry the Penguin learns about managing his money and about negative numbers.

Polly's got a pen pal - in Canada! Polly's sure that she and her new friend, Ally, will have a lot in common. When Ally writes that she's 125 centimeters tall and weighs 25 kilograms, Polly wants to know if she's the same. Polly wishes she could go and visit her -- but Ally lives 450 kilometers away! Young readers will learn about metric units like centimeters, kilograms, kilometers, and liters as they follow this story of two friends who can't be...

It's About Time-to wake up-to learn, to play, to read-to cuddle up in the blankets and to dream. A twenty-four -- hour day is full of great things to do! Endearing illustrations depicting things kids do every day make this an easy introduction to the skill of telling time, perfect for very young readers.

Explains the concept of subtraction through a rhyming text about a descending elevator.

A pack of coyotes tries to determine how many roadrunners and other creatures are in their vicinity, and while some count different groups and add their totals together, Clever Coyote rounds off and estimates.

Learn to count by 5s and 10s by counting the lizards as they arrive for a show. It's almost time for the show to begin -- but where are all the lizards? As a frantic snake looks high and low for the performers, they start to arrive, first by fives and then by tens. Will all fifty lizards show up in time? A lively rhymed story and pictures bursting with color introduce the math concept of counting by fives and tens, an important first step in learning...

Calendars and clocks keep track of passing time as the Huskies prepare for and compete in the championship soccer game against the Falcons.