Ask students how they would estimate the total number of listings for the letter. (educationworld.com)
These rates were used to estimate the total number of student in each group that were performing at the proficient or advanced levels. (learningforward.org)
And because it's possible for a person to be addicted to nicotine while abusing alcohol or marijuana, the researchers estimate the total number of substance - use disorders among adolescents declined by about 2 million. (sciencedaily.com)