This Fluency Activity is a part of the Lesson 8, Unit 3, Grade 1. Throughout the first two modules, students have been counting by ones, twos, fives, and tens, as well as the Say Ten way. Review of these counting patterns prepares students for Module 4 by strengthening their understanding of place value and their ability to add and subtract. Many students are familiar with skip-counting. Though skip-counting by twos, fives, and tens is not a Grade 1 standard, the teacher can incorporate these counting patterns, if appropriate. Choose a counting pattern with which students need more practice.