This Fluency Activity is a part of the Lesson 30, Unit 3, Grade 4. This fluency activity reviews Lesson 26's Concept Development and strengthens students'understanding of place value's role in the long division algorithm. Repeat the process from Lesson 28 using the following possible sequence: 15 ones ÷ 3, 15 tens ÷ 3, 25 hundreds ÷ 5, 21 hundreds ÷ 3, etc.