Fluency Activity# Sprint: Subtract Crossing the Ten

Lesson 15. Unit 6. Grade 2 EngageNY

EngageNY8 min(s)

This Fluency Activity is a part of the Lesson 15, Unit 6, Grade 2. In this lesson, students use math drawings to partition rectangles. Students practice crossing the ten in preparation for the lesson, as well as to gain mastery of the sums and differences within 20.