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?

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

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.

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?

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

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

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

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

Use this number line as a tool to practice adding and subtracting within 20.

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

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.

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

It’s time for sunny subtraction within 20 using number bonds with this engaging worksheet!

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

Gain expertise with addition sentences within 20 in this helpful 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.

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.

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!

Your child is an employee at the Number Factory, and it's up to him to put the numbers in order. Have your kid arrange numbers from greatest to least and more.

Master subtraction under 20 with this bright, inviting practice sheet!

Reinforce number recognition from zero to 20 with this classic BINGO game!

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

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.

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

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

How do you make learning addition and subtraction facts fun? Try your hand at "popping" colorful balloons showing a sum or difference of eleven!

Get to know the Apollo 11 space mission in this science and history worksheet!

Guide the prince through the number maze to rescue Rapunzel by simply counting through the maze from 1 to 20!

The 11s times tables are fairly simple. Review the pattern for 11s, and then learn a cool new strategy for multiplying bigger numbers by 11!

Challenge your child will this mathematical pattern worksheet. Your Easter-enthused child will add missing numbers to complete the number pattern.