1. Problem of the Week! Harriet made this list of some of the largest cities in the United States as part of her class project. Population of Cities in 1990 San Antonio, Texas935,933 Boston, Massachusetts574,283 Memphis, Tennessee610,337 San Francisco, California723,959 Phoenix, Arizona983,403

2. Problem of the Week! Harriet made this list of some of the largest cities in the United States as part of her class project. Monday: Which cities have a population of more than 600,000? Population of Cities in 1990 San Antonio, Texas935,933 Boston, Massachusetts574,283 Memphis, Tennessee610,337 San Francisco, California723,959 Phoenix, Arizona983,403

3. Problem of the Week! Harriet made this list of some of the largest cities in the United States as part of her class project. Tuesday: How many people live in San Antonio and Phoenix altogether? Population of Cities in 1990 San Antonio, Texas935,933 Boston, Massachusetts574,283 Memphis, Tennessee610,337 San Francisco, California723,959 Phoenix, Arizona983,403

4. Problem of the Week! Harriet made this list of some of the largest cities in the United States as part of her class project. Wednesday: How many more people live in Memphis than in Boston? Population of Cities in 1990 San Antonio, Texas935,933 Boston, Massachusetts574,283 Memphis, Tennessee610,337 San Francisco, California723,959 Phoenix, Arizona983,403

5. Problem of the Week! Harriet made this list of some of the largest cities in the United States as part of her class project. Thursday: How many people live in San Francisco and San Antonio in all? Population of Cities in 1990 San Antonio, Texas935,933 Boston, Massachusetts574,283 Memphis, Tennessee610,337 San Francisco, California723,959 Phoenix, Arizona983,403

6. Problem of the Week! Harriet made this list of some of the largest cities in the United States as part of her class project. Friday: Make a list of cities in order from least to greatest population. Population of Cities in 1990 San Antonio, Texas935,933 Boston, Massachusetts574,283 Memphis, Tennessee610,337 San Francisco, California723,959 Phoenix, Arizona983,403