Fluency Activity# Happy Counting by Tens: Crossing 100

Lesson 11. Unit 6. Grade 2 EngageNY

EngageNY3 min(s)

This Fluency Activity is a part of the Lesson 11, Unit 6, Grade 2.<br> In this lesson, students manipulate a set of 12 square tiles to compose various rectangles. They use repeated addition to find the total number of squares, alternating flexibly between the number in each row and the number in each column as the unit.