Decompose/Compose to Add

Week 22, 6, great-lakes Lesson 306 Math 1st Grade Aired Week of 2/9/2021
Decompose/Compose to Add

Let’s add a two-digit number and a one-digit number by making a friendly decade number.

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)

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

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