Thanksgiving Part-Part-Whole Number Bonds to 1000 | Missing Whole & Missing Part Worksheets for 2nd to 4nd Grade Thanksgiving Part-Part-Whole Number Bonds to 1000 worksheets designed for easy, clear, and consistent math practice during the fall season. Students will build number sense and strengthen understanding of how numbers break apart and come back together in a part-part-whole relationship. Perfect for warm-ups, independent work, small groups, math centers, or homework— no prep required