This is to help 1st graders work on standard 1.OA.B.3. If students can make 10 then these puzzle will help them take it to the next level in fun way. Students will take a 3 digit addition problem and make 10 first and then solve the problem.
8+2+3 = ?
8+2=10 so 10 +3=13 is the same as 8+2+3=13.
Enjoy this fun easy to make math center.