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Warm up with a Mystery Math Mistake to tell whether Dotson’s 10-frames represent a number less than his focus number. Tell Which One Doesn’t Belong by examining four sets of pattern blocks. Use pattern blocks to make different shapes.

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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  • Math Mights - 1st Grade

    Lesson 207

    Warm up with a Mystery Math Mistake to add 9 and 5 using a double 10-frame and a decompose strategy. Use near-doubles to add with double 10-frames and a compensation strategy.

  • Math Mights - 2nd Grade

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