This Fluency Activity is a part of the Lesson 18, Unit 1, Grade 3. This activity builds a foundation for multiplication using units of 5 through reviewing skip-counting from Grade 2. See Lesson 2 for the directions for administering a Sprint. Between Sprints, include the following group counts in place of movement exercises. Count by threes to 30, think/talk forward and backward. Count by sixes to 30, forward and backward.