Math Mights

Subtract within 1,000

Lesson 205 Math 3rd Grade
Subtract within 1,000

Warm up with a Mystery Math Mistake to figure out what went wrong when adding two 3-digit numbers. Subtract within 1,000 using a number line and compensation and decompose strategies.

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)

Additions and adaptations are ©2021 by Strategic Intervention Solutions, LLC.