Lisa's homework assignment is to measure something. The fun begins when she decides to measure her dog, Penny.

Lisa learns about the mathematics of measuring by measuring her dog Penny with all sorts of units, including pounds, inches, dog biscuits, and cotton swabs.

After learning about maps in school, Lisa maps all the favorite places of her dog Penny.

Lisa and her class learn about probability.

Now with new art by Katie Kath (illustrator of Unusual Chickens for the Exceptional Poultry Farmer), this easy-to-understand introduction teaches children how t