This presentation covers a brief review of long division, with emphasis on understanding why we do long division and why it works. Then it covers division of a decimal number by a whole number, and finally, division with decimals in the dividend and divisor. It includes a review of decimal place value names, and cancelling zeros when dividing. It covers rounding of decimal numbers. It concludes with several word problems. Slides are animated to show step-by-step solutions. I taught this material