Betcha!Kids, young and old, fall in love with math when they see how real life and effortless it becomes thanks to these books. Kimberly D. Mueller, Ed. D., First Grade Teacher, Ashbrook School, Lumberton NJ Betcha! is perfect for teaching estimating to second, third, and fourth graders. What do cars, toys, people, and jelly beans have in common? They can all be estimated. Two friends try out their estimating skills and find out that estimating can have real