Numbers Base Ten: "Add & Subtract Variables (within 1,000)"

ABOUT THIS LESSON: 3rd Grade Math, Numbers Base Ten, Week 2

Lesson 3 of 5. Students will use algebraic thinking to add or subtract, in order to solve for a missing variable. The worksheets include one problems page and one answers page. *

ABOUT THE AUTHOR: Elizabeth Sweet has taught grades 3-5 since 2003. Her awards include County Teacher of the Year (2015). When she’s not busy teaching 4th grade in the American public school system, she enjoys baking, reading, knitting and exploring nature.

*Math worksheets made possible by