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Students find sums of 2 two-digit numbers and recognize how the digit in the tens place in a sum reflects the total amount of tens in both addends, which could include a new ten composed from `10` ones.

By Amplify Classroom

Grades: 1st Grade

Subject: Math

Learning goals: Today’s Goals • Add 2 two-digit numbers, composing a ten when necessary. • Language Goal: Explain how to find the total amount of tens in the sum of 2 two-digit numbers. (Writing, Speaking, and Listening) Materials Lesson Resources: Graphic Organizer PDF, Tens and Ones Mat (optional); Manipulative Kit: connecting cubes (optional)