Give your kids extra addition practice with this worksheet, which teaches them that it's best to focus on the tens first.

In this worksheets, learn how to add the tens first when using a hundreds chart.

Practice adding tens on an open number line with this first-grade math worksheet!

Practice addition within 100 using open number lines with this first-grade math worksheet!

Get more practice adding tens on an open number line with this first-grade math worksheet!

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

Get even more practice adding tens on an open number line with this first-grade math worksheet!

Students use open number lines to help them write addition equations in this first-grade practice worksheet!

Get more practice performing addition within 100 using open number lines with this first-grade math worksheet!

Get more practice performing addition within 100 using open number lines with this first-grade math worksheet!

Use your knowledge of place value to solve addition problems with this first- and second-grade worksheet!

Printing out this worksheet is the first step to helping your child master an important second grade skill: double-digit addition with carrying.

Challenge your third grade mathematicians with these addition and subtraction word problems. This exercise is designed to assess your students' math level at the beginning of third grade.

Master two-digit addition in this second-grade worksheet!

Practice adding multi-digit numbers in this second- and third-grade worksheet!

Practice your addition skills with this inviting second-grade worksheet!

Add multi-digit numbers with ease in this colorful second-grade math worksheet!

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

Practice three-digit addition using open number lines with this second-grade math worksheet!

Use place value to add three-digit numbers with this second-grade worksheet!

Practice a visual addition strategy with this second-grade place value worksheet!

Practice adding with this third grade addition worksheet. Your child will hone his addition skills.

Explore properties of operations while writing addition equations in this second-grade math worksheet!

Kids solve addition problems with three-digit addends using regrouping on this third grade math worksheet.

Combining addition and carrying practice with coloring, this second grade math worksheet is anything but dull.

Kids solve addition problems with two-digit addends using regrouping on this third grade math worksheet.

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

Boost your child's addition with carrying skills with this cheery, monster-filled second grade math worksheet.

Get more practice performing three-digit addition using open number lines with this second-grade math worksheet!