Watch out - Doodles, the puppy, is on the loose! In this engaging workbook, you'll see how Doodles is making a mess with factory productions. She is counting on you to use your multiplication and division skills to help clean things up. Are you up to the challenge?

In fourth grade, students are expected to develop a solid understanding of whole number multiplication and division. They should be able to multiply numbers with up to four digits by one-digit numbers, and two-digit numbers by two-digit numbers, using strategies involving place value and the properties of operations.