Can your little math whiz add up sums quickly in his head? Teach him to estimate before adding, a great skill to put to use in everyday life!

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!

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! 

Test your addition skills with this helpful hundred chart worksheet!

Improve those skills! Practice three-digit addition with these twelve problems.

Sharpen your mental math skills with this second- and third-grade compensation worksheet! 

Learners solve 12 three- and four-digit problems as they work on their multidigit addition skills.

Children will put their three-digit addition skills to the test as they solve 23 practice problems in this math worksheet.

Challenge your students to solve two number puzzles that will have them adding and subtracting decimals.

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

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

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

Add like mad with our thrilling addition worksheet! This three-minute math drill gets your child racing to complete all the addition equations on the page.