Help the frog catch the fly! This entertaining math game will have you students practice adding and subtracting within 20 on a number line.

First graders will enjoy adding with this fruit and vegetable-themed worksheet!

Have your little math learner count the number of chicks and add them together for great practice in adding one on this math worksheet.

First graders will enjoy adding with this fruit and vegetable-themed worksheet!

Try adding groups of bees, butterflies, and other assorted bugs in this beneficial worksheet!

First graders will enjoy adding with this fruit and vegetable-themed worksheet!

First graders will enjoy adding with this colorful fruit- and vegetable-themed worksheet!

First graders will enjoy adding with this fruit and vegetable-themed worksheet!

First graders will enjoy adding with this fruit and vegetable-themed worksheet!

First graders will enjoy adding with this colorful fruit and vegetable-themed worksheet!

First graders will have fun adding with this fruit and vegetable-themed worksheet!

Help your students use their knowledge of place value to add or subtract 10. By understanding how numbers are made of tens and ones, students learn how to add and subtract 10 with ease.

Practice adding ten to any number with this hundreds chart that helps kids master counting and place value.

This hundred chart is the perfect way for kids to show what they've learned as far as adding on a hundred chart.

Practice finding missing numbers while adding within 20 using ten frames!

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

Kids solve addition and subtraction problems with one- and two-digit numbers to crack the code and find the mystery word on this first grade math worksheet.

The hundreds chart is great for adding tens. Help Stephanie figure out how many beads she bought by moving down the chart.

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

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

Practice adding two-digit numbers on open number lines with this inviting addition worksheet!

If your child is looking for a number challenge, we've got the worksheet for her. She may be a whiz at adding two numbers, but can she add three numbers?

Get more practice adding two-digit numbers on open number lines with this inviting addition worksheet!

Get more practice adding two-digit numbers on open number lines with this inviting addition worksheet!

Get more practice adding multiples of 10 on an open number line with this colorful worksheet!

Get more practice adding multiples of 10 on an open number line with this vibrant worksheet!