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?

The last in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

The fifth in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

The second in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

The third in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

The fourth in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

Get more practice writing addition equations within 20 with this inviting math worksheet!

Get more practice with addition facts within 20 with this colorful kindergarten math worksheet!

Kids completing this third grade math worksheet multiply by 6 to solve each equation and also fill in a multiplication chart for the number 6.

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?

Practice subtracting by six with these animal picture problems! Kids will cross off six animals from each group.

Learning numbers is fun! Watch her math skills bloom. Count the number of petals on each flower and draw a line from the number 6 to the flowers with 6 petals.

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 practice six-digit addition with decimals in this 5th grade money addition worksheet.

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!

Here's a fun way for your second grader to build a foundation multiplication know-how and challenge skip-counting skills. She'll also find multiples of six.

Subtract numbers within 20 using ten frames with this first-grade math worksheet!

Kids color six sharks and trace the number 6 several times to practice counting, identifying, and writing numbers on this prekindergarten math worksheet.

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

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

Help learners build addition fluency with this worksheet that focuses on adding six to numbers within 10!

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

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

With this worksheet, your third graders will learn a nifty trick about multiplying numbers by six. Any even number you multiply by six will be in the answer! For example, 6 x 2 = 12.

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