This Fluency Activity is a part of the Lesson 6, Unit 4, Grade 1. This fluency activity provides practice with recognizing pennies and dimes and counting with abstract representations otens and ones, which prepares students for today's lesson. Lay out 2 dimes. Students count up from 20 by ones as the teacher lays out 10 pennies into 5-groups. Repeat, but this time, change the 10 pennies for another dime once 40 has been reached.