This is a packet of 15 three-digit addition math worksheets.

Each page has a different ocean creature swimming around.

It includes...

1 page without regrouping.
2 pages with regrouping in the ones.
2 pages with regrouping in the tens.
2 pages with regrouping in the hundreds.
2 pages with regrouping in the ones and tens.
2 pages with regrouping in the ones and hundreds.
2 pages with regrouping in the ones, tens, and hundreds.
2 pages with a mix of all of the above.

The problems are written vertically.
Each page has three columns and each column has 6 problems.

These can be used as practice, homework, math sprints, or as a basic assessment.

Includes answer keys.

Check out all of the ocean themed three digit worksheets...
15 pages of three digit addition written horizontally
15 pages of three digit addition written vertically
15 pages of three digit subtraction written horizontally
15 pages of three digit subtraction written vertically

Or SAVE 25% and buy the Ocean Themed Three Digit Bundle

Check out some of the other three digit addition and subtraction worksheets.
Three Digit Worksheets
Three Digit Space Themed Worksheets
Three Digit Halloween Themed Worksheets
Three Digit Dinosaur Themed Worksheets
Three Digit Christmas Themed Worksheets
Three Digit Ocean Themed Worksheets
Three Digit Pirate Themed Worksheets
Three Digit Easter Themed Worksheets

Have a look at some ocean life powerpoint presentations
Dolphins
Penguins
Pinnipeds: Seals, Sea Lions, and Walruses
Shells and Mollusks
Whales
Kelp
Octopus
Otters
Manatees
Polar Bears
Orcas: The Killer Whales
Sea Turtles

Check out some of the other three digit addition and subtraction worksheets.
Three Digit Addition and Subtraction Themed Worksheets
Three Digit Addition and Subtraction Space Themed Worksheets
Three Digit Addition and Subtraction Halloween Themed Worksheets
Three Digit Addition and Subtraction Dinosaur Themed Worksheets
Three Digit Addition and Subtraction Christmas Themed Worksheets
Three Digit Addition and Subtraction Ocean Themed Worksheets

All my math worksheets can be found on this Pinterest Board.

If you need any assistance, please email me at r_nyg@yahoo.com

They were made by Ryan Nygren

The cover photo's attribution link is here by fred sharples