Ocean Themed Math Activities
These fun and playful ocean themed math activities are perfect for preschoolers. They’ll enjoy counting starfish, measuring seashells, and more!
Each activity is designed to help kids learn basic math concepts in a hands-on way. Plus, they’re a lot of fun too! So dive on in and explore the math-y depths of the ocean with these activities.
Add them to your preschool ocean theme this summer or to your preschool math centers any time of the year.
Math for Preschoolers
Math may not be the first thing that comes to mind when you think of preschool, but there are actually a lot of math concepts that young children can learn.
One of the simplest and most important math skills is counting. By teaching kids to count, you’re laying the foundation for more complex math concepts like addition and subtraction.
Another key math concept for preschoolers is recognizing numbers. Once kids can identify numbers, you can start teaching them basic math operations like adding and subtracting.
Additionally, preschoolers can learn about shapes and colors. Circles, squares, triangles, and rectangles are just a few of the shapes that kids can learn to identify.
And by teaching kids about colors, you’re helping them to develop important visual discrimination skills.
So don’t be afraid to incorporate some math into your preschool curriculum – your students will love it!














Preschool Ocean Math Worksheets
Now that you’ve checked out the ocean-themed math activities above, you might want some worksheets to reinforce the skills you’ve been working on.
If so, be sure to check out the preschool ocean math worksheets from right here on the blog:
- Preschool Ocean Worksheets – Work on number words, colors, and more!
- Ocean Animals for Kids – Work on number recognition and patterns
- Ocean Colors Playdough Mats – Work on color words
- Color By Number Ocean Animals – Work on number recognition and color words
- Ocean Animals Worksheets – Work on counting, number recognition, and graphing
If you are looking for more ocean themed math activities to keep your preschooler engaged and learning, be sure to check out our other blog post on the topic.
We have a variety of fun and educational ideas that will get your little one excited about numbers, shapes, and more.
And as always, if you have any questions or need help finding resources, don’t hesitate to reach out to us. We are happy to help! Are there any ocean themed math activities that your child enjoys?

Tara is the brains behind Homeschool Preschool, where her journey from preschool and public school teacher to homeschooling mom of three fuels her passion for early childhood education. With a blend of expertise and firsthand experience, Tara’s writings offer practical tips and engaging resources to support families in creating meaningful learning adventures at home.

