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.
3-Digit Addition. These printable worksheets and games have addition problems with 3-digit addends. Includes math riddles, a magic digit game, math crossword puzzles, and column addition worksheets. (Approx. Level: 2nd grade, 3rd Grade).
Money Addition.These printables have horizontal and vertical money addition problems, as well as word problems.
4 and 5-Digit Addition. This page has resources for teaching addition with 4 and 5-digit numbers. Includes column addition exercises, an addition crossword, and word problems. (Approx. level: 3rd grade, 4th grade, 5th grade).