This Fluency Activity is a part of the Lesson 22, Unit 4, Grade 2. In this lesson, students apply the associative property to add up to four two-digit addends with totals within 200. By practicing addition facts, students gain fluency adding within 20.
Other Fluency Activities related to this standard
18 min(s)
10 min(s)
Other activities you might be interested in
10 min(s)
10 min(s)