Learn about one of the world's most mysterious pieces of written text, the Voynich manuscript, which has never been deciphered.

Your young math learner can practice tracing the number 13, and, counting objects outloud up to thirteen!

Practice your multiplication facts with this 13 times table! 

Get a fun review of math facts, and try your hand at "popping" colorful balloons with equations that equal the number thirteen.

Use these 24 cards for daily writing exercises, or hand them out to encourage variety in writing!

Use these 24 cards for daily writing exercises, or hand them out to encourage variety in writing!

This worksheet offers students the opportunity to write about their daily news.

On this kindergarten math worksheet, kids trace the number 13, then write their own. Then they count apples and record the information in a graph.

Does your child recognize the number 13 on this page? Have her color the cows any way she likes, and count how many match the number!

What can you build with blocks? All of the blocks have numbers on this kindergarten math worksheet, but kids color and count just the blocks with the number 13.

Learn how to multiply up to 24 with number lines using these six guided problems!

Help your child establish and maintain important organizational habits with the help of this daily planner template.

Practice solving simple subtraction problems with a fun game! You and your child can "fish for answers" to find all the ways to make the number thirteen.

Practice is the best way for children to get a handle on arithmetic. This 1st grade math worksheet will help your child learn basic subtraction.

This worksheet with help your second grader practice addition with carrying.

This second grade math worksheet offers practice in two-digit addition with carrying and comes adorned with wacky purple polka-dotted aliens.

Practice identifying doubles facts with this appealing worksheet!

Math learners use their multiplication, addition, and subtraction skills as they solve 24 problems in this practice worksheet.

Kids help Danny the Deer practice two-digit subtraction in this 2nd grade math worksheet.

If your first grader needs some extra assistance with subtraction, you've come to the right place! This charming worksheet makes math practice fun.

How many snails can you see? This fun and colorful worksheet will help your kindergartener practice counting up to 13.

Looking to give your second grader a little at-home subtraction help? She'll practice two-digit subtraction with carrying alongside a big green sea creature.

Find the 13 original American flags in this patriotic scene.

Vocabulary building is important at any age. With this worksheet, your child will learn 24 synonyms for pretty, and get to practice them.

A handy reference to the 13 vowels of the Hindi language.

Watch your second grader's mental math ability and understanding of addition with carrying improve with this adorable double-digit worksheet!

Incorporate some subtraction problems into your third grader's measurement practice with these weighty word problems.

Use this water-themed subtraction worksheet with your little swimmer. Featuring a team of synchronized swimmers, this worksheet is great for summer days.

Boost your second grader's subtraction skills and ability to identify odd and even numbers with this colorful 2-in-1 worksheet!

If your second grader is in need of some at-home subtraction practice, you've come to the right place!