Use critical thinking skills and a bit of addition to find the correct numbers and fill in this second grade worksheet.

Sort by tens and ones to solve addition problems with this second-grade worksheet!

Use problem solving and critical thinking skills to find different sums in these puzzles.

Measure your way to the right answer by using this handy number line to solve word problems about adding length.

Practice addition with your second grader, a math worksheet, and a deck of playing cards.

Work on addition while finding sums of 100 using a deck of playing cards and this first grade math worksheet.