This Fluency Activity is a part of the Lesson 8, Unit 6, Grade 2. In this lesson, students work with square tiles to create arrays with gaps, composing the arrays from parts to whole, one row or one column at a time. This Sprint builds fluency with the grade level fluency goal of subtracting within 20 using mental strategies.
Other Fluency Activities related to this standard
18 min(s)
10 min(s)