Help students compose and decompose BIG numbers with this handy Place Value Mat. Perfect for teaching place value concepts like expanded notation, numbers in word form, and numbers with base-ten symbols. The pack includes a 100 mat, a 1,000 mat, and a 100,000 mat suited for 1st, 2nd, 3rd, and 4th grade learners. #placevalueactivities #teachingplacevalue #placevaluestrategies #2ndgrademath #3rdgrademath #teachertrap