DESC: Calculating Crew teaches your 3rd, 4th, 5th or 6th grader the concepts, facts and thinking skills necessary to build math confidence and develop a strong, lasting understanding of math! Wanda Wavelet, Captain Nick Knack and Dr. Gee guide your child through thousands of skill-building problems! Exciting activities teach multiplication and division of whole numbers and decimals, number line concepts, 3D solids and their properties, money transactions and much more. Learning and understanding math is a blast with Calculating Crew!