Represent 10 using a number bond and 10-frame to help solve a Mystery Math Mistake. Use Notice and Wonder with an unbalanced see-saw to tell whether two expressions are equal. Then, practice with telling whether two expressions are equal (balanced).

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.