Find the missing digits in the problems shown. Place your answers in the boxes provided.

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

Follow the clues to find mystery numbers with this second-grade hundred chart worksheet!

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!