The worksheet "Census Data 2017: Working for a Living 2" is an ideal resource for fourth and fifth-grade students to practice rounding numbers to the nearest hundred thousand place. The worksheet presents a table of multi-digit numbers for students to review and use their knowledge of place value to round them to simpler forms. By completing this activity, students will gain valuable practice in rounding and develop a deeper understanding of the importance of place value in mathematical operations. This worksheet is an effective tool for promoting mastery of rounding skills and building a strong foundation for more advanced mathematical concepts.