Keep your first grade math whiz sharp with this ocean-themed worksheet practicing single-digit subtraction.

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

Encourage your first grader to reach down deep and take the plunge into math practice.

Counting, writing and drawing practice are wrapped up in this connect-the-dots coloring page. What undersea animal will be revealed?

Practice counting by connecting the dots from 1 to 33 to complete the picture of the fish.

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.