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Represent 6 with a 10-frame, dot card, and Rekenrek (counting buddy) to tell if Dotson made a Mystery Math Mistake. Compare images and numbers by using “less,” “same,” and “more.” Play a card game to do the same.

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.

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    Lesson 207

    Warm up with a Mystery Math Mistake to find the mistake made in counting up on a number line to subtract. Use visual models to practice adding and subtracting lengths of objects within 100.

  • Math Mights - 3rd Grade

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