Addition to 20: Under the Sea

Test your addition skills in an underwater adventure with this inviting worksheet! Students will be asked to solve 16 addition problems including one- and two-digit addends from 0 to 20 and sums up to 20. 

This worksheet is intended to help first and second graders practice their proficiency with simple addition facts within 20. Learners can build their fact fluency and automaticity—skills that will help them quickly and easily solve addition problems both in their everyday lives and in the classroom. 

Check out the paired subtraction worksheet here: Subtraction Within 20: Under the Sea. Or, get more addition practice with Math Maze: Addition to 20 and Fact Fluency: Addition to 20.