Read, write, & compare multi-digit numbers using symbols including expanded form. Read and write multi-digit whole numbers using base-ten numerals, number names, and expanded form. Compare two ...

We all harbor one particular prejudice. We are each and every one of us irrevocably focused on and devoted to our number system in base ten. Our languages, our engineering discussions, our methods, ...

Understand how to express the same number in different forms. Part of using base-ten numbers correctly is understanding how to express the same number in different forms. It is challenging to move ...

Children are beautifully attuned to patterns in the world around them. They notice repetitions and regular relationships. That’s how they discover basic laws in the physical and social world and learn ...