Architects Brian and Jess team up with kids to find the “heart of the city,” the center that cities grow around. Visit the streets of old Detroit to learn how cities change over time, and use maps and landmarks to find the heart of your city.
Read and write multi-digit whole numbers using base-ten numerals, number names, and expanded form. Compare two multi-digit numbers based on meanings of the digits in each place, using >, =, and < symbols.