Your first grader can practice addition under the sea with this worksheet that features 12 beginning addition problems and a colorfully fishy theme!

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

This dot-to-dot is skipping a few numbers! Help draw this massive aquatic dinosaur by connecting the dots and skip-counting by threes.

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