Arithmetic Estimating And Checking Answers (1962)

Shows the procedure for rounding off numbers, and explains how to apply rounded off numbers in estimating answers for help in solving problems with large numbers, in catching errors, and in placing the decimal point. Emphasizes the importance of checking as a means of being sure of a correct answer. Collaborator, Harl R. Douglass We digitized and uploaded this film from the A/V Geeks 16mm Archive. Email us at footage@avgeeks.com if you have questions about the footage and are interested in using it in your project.