Count animals to tell if Dotson made a Mystery Math Mistake when representing the number of animals using a 10-frame and writing the number to tell “how many.” Create number towers with “1 more” and “1 less.”

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.