Cut out one of our colorful rulers and measure these sea creatures to answer the questions. No oxygen tank needed.

What a catch! Here's a great worksheet that will help your child practice his simple addition and counting.

Help your first grader get a head-start with his subtraction math facts!

Find Atlantis and practice number ordering with this undersea number worksheet. Kids will arrange numbers from least to greatest and vice versa.

Surf along with our base 10 worksheet! This surf-themed math worksheet helps your kid conquer base 10, a useful tool for grasping numbers and place values.

Help a little mathematician learn about measurements with this fun, shark infested math worksheet!

Have your child help Pink Fishy by tackling these simple multiplication problems.

Build your child's number sense, with an undersea number adventure! She'll navigate through coral reefs as she puts numbers in the right order.

Help feed Lenny, the long division whale, by solving the division problems then circling only the quotients with remainders so he knows which ones to eat.

Let's go fishing! Here's a great worksheet to help your child practice his simple addition and counting.

Does your child need a jump-start on simple arithmetic? Give her a great game to get started learning addition and subtraction math facts!

Children practice counting numbers 1-10 in this fun number counting and writing worksheet.

There's something fishy going on here! That's a silly pair of objects to practice using a ruler with. Just remember the all-important phrase,…

This bubbly worksheet takes the stress out of math by turning it into a hands-on experiment.

Kids solve addition problems with three-digit addends using regrouping on this third grade math worksheet.

Swim through this ocean-themed number exercise to find the lost city of Atlantis. Kids will work on ordering numbers in this math worksheet.

This round-up of addition word problems contains some cute images that get kids thinking about basic addition in a new way.

Featuring simple addition problems and adorable sea creatures, this color by sum sheet is sure to entertain your child as he gets essential math practice.

This underwater-themed worksheet is a playful way for learners to practice solving multi-step word problems.

Who's hiding in the subtraction problems? Use your super subtraction skills to find out which colors to add to the drawing!

Subtraction practice will go swimmingly with this inviting kindergarten math worksheet!

Dive deep into subtraction as you solve these colorful, aquatic problems!