Are you teaching place value and need an engaging Christmas math activity? Check out this resource that includes a math center, game, and easy prep craft that would be perfect for December. The elf trains make a really cute Christmas bulletin board display.The included math center is a sort with numerals, tens and ones, objects in groups of tens and ones, expanded form, and number words. Your students will want to play the no-prep board game again and again!As a concluding activity, there is an