In elementary school, children extend their understanding of the language of addition to include the word sum. They should already know words such as add, addition, plus, more than, total and altogether. Recognizing and understanding the language of addition is essential in order to be able to make decisions about which operation to use to solve calculations and problems.
Join 4M+ learners. Unlock unlimited quizzes, wrong-answer tracking, flashcards + reminders, study guides, and 1-on-1 challenges.