Ask your second grader to help out Ken the Carpenter, and his double-digit addition skills will get a boost, too!

Put your addition skills to the test with these puzzle boxes for second and third graders!

Put your addition skills to the test with these puzzle boxes for second and third graders!

Add a fun twist to math practice with these second- and third-grade addition puzzles!

Put your addition skills to the test with these puzzle boxes for second and third graders! 

Put your addition skills to the test with these puzzle boxes for second and third graders!

Addition doesn't have to be puzzling—practice finding sums with these puzzle boxes!

Addition doesn't have to be puzzling—practice finding sums with these second- and third-grade puzzle boxes!

Help first and second graders practice solving near-doubles facts using this fun worksheet!

Hop, skip, and jump using compensation in this second- and third-grade addition worksheet!