Invite your first grader to enter the world of the teen numbers as she starts writing 11-20. Practice tracing the name of each number before writing it.

Is your child ready for a parade of practice activities? They'll have some brightly colored fun as they explore writing and recognizing numbers 11-20.

Help your child practice his counting skills with this printable kindergarten worksheet, which focuses on the numbers 11 through 20.

So your child has mastered the numbers 1-10 -- what's next? How about a bright and colorful number pyramid that challenges them to tackle numbers 11-20?

Numbers 1-20 can be as easy as 1-2-3! Assess your students’ understanding of numbers 1 to 20 using this handy worksheet.

How about some hamburgers? Kids can trace number 20, and practice their counting skills with up to 20 hamburgers!

Here's a fun coloring activity to help your kindergartener recognize the number 11. Can he find the rabbits with 11 on them and count them up?

This preschool math and coloring worksheet focuses on the number 11. Kids color all of the spaces with the number 11 to reveal hidden leaves.

Here's a writing and counting activity to introduce your kindergartener to two-digit numbers. She can trace 11 and say her numbers out loud!

A band of eleven pipers piping are spreading Christmas cheer in the chilly weather! Can you count the snowflakes falling on the pipers?

This automobile-themed worksheet helps students practice counting the numbers 11–20.

It's a wonderful day for sailing! For this kindergarten math worksheet, kids color and count just the sailboats with the number 11.

Addition and building go hand in hand. Show your little math whiz the basics of addition with this picture math worksheet.

On this kindergarten math worksheet, kids trace the number 11, then write their own. Then they count delicious pears and record the information in a graph.

Find the number 20 among this brood of turkeys down on the farm!

This resource will help assess your students' understanding of numbers 1-20.

This preschool math and coloring worksheet focuses on the number 20. Kids color all of the spaces with the number 20 to reveal a hidden sock picture.

Find out if students can count to 20 and help them identify areas of improvement in this counting assessment worksheet.

Can your kid help mama bird reach her babies? As he follows the path from one to 20, he'll get more comfortable counting to 20 and have fun while he's at it.

In this worksheet, “monkeying around” will help you master counting to 20!

What's Rapunzel trapped within? Find out by connecting the dots from 1 to 20. Kids also give their fine motor skills a boost while they work.

Children can practice counting, ordering, and identifying numbers 1 to 20 with this set of number cards.

On this kindergarten math worksheet, kids use their logical reasoning and critical thinking skills to solve a Sudoku puzzle with the numbers 9, 10, 11, and 12.

Use this assessment worksheet to determine students’ ability to order numbers from 0 to 20.

Kids color and count teacups with the number 20 on this kindergarten math worksheet, which offers practice recognizing and writing whole numbers and counting.

Use this number line template to give your young mathematicians practice with identifying, counting, and ordering numbers from 0-20.

On this kindergarten math worksheet, kids trace the number 20, then write their own. Then they count the diamonds they see in the picture and make a graph.

Get to work building up those math skills with a fun color by number page!

Count and color 23 Uncle Sam hats to develop fine motor skills and excitement for 4th of July, then trace the word form of 23 for writing practice!

On this second grade math worksheet, kids go from egg to egg solving subtraction problems with three-digit numbers.