Download Add to Favorites Add to Folder creative writing children's book activities classroom tools language arts and writing vocabulary Create new folderCREATE NEW FOLDER Share Send home a family activity letter that will help your students practice adding and subtracting numbers up to 18 at home with flashcards. Authored by: Scott Foresman, an imprint of Pearson Grade: 2 | 3 Subjects: Subtraction Mathematics Addition + show tags TYPE: Activities Worksheets