Find area of figures with missing side lengths. How will you decompose the figures into rectangles to find the area? Engage in a Number Talk and compare your strategies with others.
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.3.MD.C.6, MI.Math.Content.3.MD.C.7, MI.Math.Content.3.NBT.A.2