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

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

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

Get your first grader's addition skills on track with this adorable double-digit addition worksheet!

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

This citrus-themed double-digit addition worksheet will spark your first grader's interest in math!

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

Practice using place value charts to find sums with this addition worksheet for first and second graders!

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

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

Looking for a painless way to give your first grader's addition skills a boost? This colorful worksheet is your answer!

This cute circus scene is in need of some color! But first, your child will have to answer a few addition problems.

Your first grader will love learning double-digit addition with this company of the crazy creatures on this charming 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!

This colorful addition worksheet may be finger puppet-themed, but with enough addition practice, your first grader won't be counting fingers!

This is a coloring page with a twist! Challenge your first grader to solve all the addition equations before he colors the picture.

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

Does your first grader have an affinity for animals? Incorporate his love of furry friends into the solution for boosting his addition skills!

Estimate the sum in each of these math problems. Challenge your child to round to the nearest hundred first, then add the two rounded numbers.

Math is made fun in this addition coloring page! Your first grader can review his math facts while he colors the hot air balloons.

Does your first grader need help with two-digit addition? This colorful fairy-filled worksheet is a great way to give her the practice she needs.

Make math practice a little less boring with an addition coloring page! Your first grader can do a few addition problems as he colors the balloons.

Would your first grader rather color fairies than do her math? With this worksheet, she can do both! This fairy practice sheet focuses on two-digit addition.

If your first grader is gaga over chocolate, enlist her love of the sweet candy to get her interested in double-digit addition!

This "beadtastic" addition worksheet will get your first grader practicing double-digit addition and thinking about some of the real world uses for math!

Use this colorful, open-ended worksheet to help your learners understand the value of 100.

Practice adding tens with a visual model in this helpful worksheet!