Lesson Materials

Activity Guide

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Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Find Which One Doesn’t Belong to match visual models and an equation. Match word problems, visual models, and expressions & equations. Then write and solve a word problem that matches a visual diagram.

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.

Related Standards: MI.Math.Content.2.NBT.B.5, MI.Math.Content.2.OA.A.1

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