This Fluency Activity is a part of the Lesson 10, Unit 6, Grade 5. This fluency activity prepares students for Lesson 11. Count by thirds from 0 thirds to 9 thirds. The Count by Equivalent Fractions fluency activity supports language acquisition for English language learners as it offers valuable practice speaking fraction names such as thirds. Couple the counting with prepared visuals to increase comprehension. Some learners may benefit from counting again and again until they gain fluency.