This site has hundreds of basic multiplication activities. Printables include multiplication games, quizzes, word problem worksheets, cut_and_glue activities, flashcards, math mystery pictures, and much, much more.
Addition with 3 or More Addends. When you print these activities, you will notice that the problems have 3, 4, or 5 addends. Includes 1, 2, 3, and 4_digit numbers.