Lesson Materials

Share

Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. What do you know about measurement? Measure with centimeter cubes to find the length of reptiles. Then answer some questions about the length of reptiles by adding and subtracting within 100.

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 Lessons

  • Lesson 203

    Explore the Multiply by 5 facts using the grouping of objects, counting by fives, and arrays. Compete against characters to see who finds the product first. Practice with the commutative property of multiplication and 5's.

  • Still from the Extra Credit episode Writing

    Lesson 203

    Jabberwalk with a famous poet, learn about storytelling, and meet some cool writers. Content partners include Career Girls, StoryCorps, Inside Out Literary Arts, InPACT at Home, PBS Books, Library of Congress, and The Diatribe. This episode features student host, Yash.

  • Math Mights - Kindergarten

    Lesson 204

    Use a 10-frame and Rekenrek (counting buddy) to tell if Dotson made a Mystery Math Mistake building "one less." Represent [...]