This Fluency Activity is a part of the Lesson 12, Unit 4, Grade 2. In this lesson, students deepen their conceptual understanding of subtraction as they relate manipulatives to a written method, recording recompositions in vertical form. Students practice taking out the ten and subtracting to prepare for unbundling a ten in today's lesson.
Other Fluency Activities related to this standard
18 min(s)
15 min(s)