Lesson 6

Sandwich Mass

Est. Class Sessions: 2–3

Daily Practice and Problems

Teacher Notes
X

TIMS Bit

  1. Answers may vary. Using the convenient numbers of 4 million and 310 million, there was an increase of about 306 million people.
  2. 220 years

O. United States Population

The first census in the United States in 1790 counted 3,929,200 people. By 2010 there were about 310,000,000 people in the United States.

  1. About how many more people were there in the United States in 2010 than in 1790?
  2. This change in population occurred over how many years?