A New Length Unit

Students measure the lengths of objects in centimeters and meters using rulers and meter sticks. Note: Activity 1 was updated in the Teacher Edition PDF and in the Teacher Presentation Screens on 1/12/2026.

By Amplify Classroom

Grades: 2nd Grade

Subject: Math

Learning goals: Today’s Goals • Measure the lengths of objects in centimeters and meters using rulers and meter sticks. • Language Goal: Explain how measurements in meters and centimeters relate to the sizes of the units. (Speaking and Listening) Materials Manipulative Kit: ten rods, centimeter rulers; Classroom materials: masking tape, Measurement Collect and Display chart (from prior lessons), meter sticks