Math Mights

Adding Tens-Tens and Ones-Ones

Week 13, space, 8 Lesson 310 Math 1st Grade Aired Week of 2/23/2021
Adding Tens-Tens and Ones-Ones

Let’s add two-digit numbers by first adding the tens and then adding the ones.

Math Mights was adapted from IM K-5 Math™ ©2021 by Illustrative Mathematics®, released under the Creative Commons Attribution 4.0 International License (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/.

Additions and adaptations are ©2021 by Strategic Intervention Solutions, LLC

Visit the lesson page on MathMights.org for additional resources.

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