This Fluency Activity is a part of the Lesson 16, Unit 6, Grade 1. Choose a Sprint based on the needs of the class: Core Addition Sprint 1, Core Addition Sprint 2, Core Subtraction Sprint, Core Fluency Sprint Totals of 5, 6, and 7, Core Fluency Sprint Totals of 8, 9, and 10. Name Date and Number correct, write the unknown number. Pay attention to the symbols.