Build, read, write (in standard and expanded form), and represent four-digit numbers using base-10 blocks and symbols. Compare numbers based on meanings of the thousands, hundreds, tens, and ones digits using symbols.

Mister C and the Science Crew have the right formula to create super-stretchy, ooey-gooey slime.

Describe the value of a digit based on its place in the number. Read, write (in standard and expanded form), represent, compare, and order multi-digit numbers.