Group Activity Adding Three Numbers. Lay out flashcards, and then use blocks to create towers that answer the problems. As well as practicing numbers, this game is great to use as a warm up activity.
Repeated Addition worksheet from www.liveworksheets.com
Simply fill 2 containers with different types of objects. The worksheet involves working with a set of problems on addition to find. Lay out flashcards, and then use blocks to create towers that answer the problems.