Perry the Penguin needs 9 clams to buy an ice scooter -- but he's not very good at saving. As Perry earns, spends, finds, loses, and borrows clams, a simple line graph demonstrates the concept of negative numbers.

Price: $5.99

Price: $5.99

Brimming with fun and educational games and activities, the Magical Math series provides everything you need to know to become a master of mathematics! In each of these books, Lynette Long uses her own unique style to help you truly understand mathematical concepts as you use common objects such as playing cards, dice, coins, and every mathematician’s basic, essential tools: paper and pencil.

Inside Great Graphs and Sensational Statistics, you’ll learn the basics of pictographs, bar graphs, pie charts, line graphs, and map charts, and you’ll see how they make information easy to understand. You’ll jump into statistics, where you’ll discover how to figure out the average test score on your spelling tests, how to tell the difference between percent and percentile, and how to rank order a group of numbers. You’ll also practice your new math skills with such fun activities as Dangling Spoons, Weather Bingo, Tower Tallies, and Color Feud. Track the mail, test the memory of your friends, do a sleep study, and much more as you learn how graphs and statistics can reveal the world around you.
Grades 3-6.

Price: $12.95