Off to the Bird Sanctuary!

Students measure the length of an object more than once, using a different length unit for each measurement. Note: • Activities 1 and 2 were updated in the Student Edition PDF and the Student Edition (Answers) PDF on 1/12/2026. • Activities 1 and 2 were updated in the Teacher Edition PDF and in the Teacher Presentation Screens on 1/12/2026.

By Amplify Classroom

Grades: 1st Grade

Subject: Math

Learning goals: Today’s Goals • Measure the length of an object more than once, using a different length unit for each measurement. • Language Goal: Describe the length of an object in more than 1 way, using different length units. (Speaking and Listening) • Language Goal: Explain why 2 length measurements of the same object can be different. (Speaking and Listening) Materials Lesson Resources: Activity 2 PDF; Manipulative Kit: base-ten units, connecting cubes; Classroom materials: paper clips (1 inch)