Do you prefer rivers, oceans, or lakes? Students will practice coming up with questions by analyzing the data given in this Venn diagram.

Dive into subtraction with this ocean-themed worksheet!

This shark-themed math worksheet is a fun tool for practicing subtraction. This underwater worksheet is fun for 2nd graders working on two-digit subtraction.

Help your second grader determine whether numbers are odd or even with this bright, engaging game board. Practice counting and number sense, too!