This is a small group winter-themed roam the room place value task card activity for second and third-graders that reinforces representing three-digit numerals in different forms; base ten, standard form, expanded form, and number word. It also provides practice with rounding to the nearest ten or hundred, ten less/ more than a number, and one hundred less/ more than a number. It is ideal for use as a math station. You can choose to print the marshmallow pal base ten cards in color or black/ gra