Subtraction Within 20: Under the Sea

No need for a submarine to explore the depths of the sea in this bright, colorful subtraction worksheet! Each of these 16 problems prompts students to find the difference of a subtraction equation. These equations include minuends up to 20 and subtrahends up to 10. 

Designed for first and second graders, this worksheet can help students build their confidence with solving subtraction problems within 20. Learners can develop their subtraction fact fluency and automaticity. These skills are a vital foundation for students as they learn more advanced math skills, such as subtraction within 100. 

Find the paired addition worksheet: Addition to 20: Under the Sea. For more subtraction practice, try Missing Number Subtraction Within 20 and Solve With Speed: Subtraction Within 20.