This Fluency Activity is a part of the Lesson 5, Unit 1, Grade 1. This activity addresses the core fluency objective for Grade 1 of adding and subtracting within 10. Flash fingers within 5 the Math Way for 2-3 seconds. Hide your fingers, and then ask students to identify the number of finger flashed at the snap. Then, ask students to say an addition sentence that shows how to make 5. An example is given.