This Fluency Activity is a part of the Lesson 5, Unit 3, Grade 1. In this lesson, students lay centimeter cubes alongside a ruler, recognizing the meaning of the numbers on the ruler as describing the number of centimeter length units up to that number. This Sprint addresses the Grade 1 standard of subtracting within 20.
Other Fluency Activities related to this standard
11 min(s)
10 min(s)