About How Long Is It?

Students estimate the lengths of objects in centimeters and then measure the lengths with a ruler.

By Amplify Classroom

Grades: 2nd Grade

Subject: Math

Learning goals: Today’s Goals • Estimate the lengths of objects in centimeters. • Measure the lengths of objects in centimeters with a ruler. • Language Goal: Explain and compare estimation strategies. (Speaking and Listening) Materials Manipulative Kit: centimeter rulers; Classroom materials: Measurement Collect and Display chart (from Lesson 2), objects of various lengths