Here is a quick video explaining how we solve addition and subtraction problems, with and without grouping!
Here is a quick video explaining how we solve addition and subtraction problems, with and without grouping!
Here are some helpful math resources that include games, practice sheets, etc.
www.esparklearning.com/blog/free-games-to-teach-second-grade-math/
https://www.edu-games.org/math/second-grade-2/games-worksheets.php
https://www.ixl.com/math/grade-2/games
https://www.k5learning.com/free-math-worksheets/second-grade-2/addition
https://www.education.com/worksheets/second-grade/two-digit-subtraction-and-regrouping/