Lesson Materials

Extension Activity

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Let’s compare three-digit numbers.

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.A.4, MI.Math.Content.2.NBT.B.8, MI.Math.Content.2.OA.A.1

Related Lessons

  • Math Mights - 1st Grade

    Lesson 207

    Near Doubles

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    1st Grade

    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

    Lesson 207

    Story Problems about Length

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    2nd Grade

    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

    Lesson 207

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    3rd Grade

    Warm up with a Mystery Math Mistake to hunt for the mistake made counting up on the number line. Use a Rekenrek and number line to explore rounding numbers to the nearest ten and hundred.