Fact Triangles: Subtraction Within 20

Find the facts within the number triangles in this engaging subtraction worksheet! In each of the six problems, students will need to use the given fact triangle to write two subtraction sentences that reflect the numbers in the triangle. This worksheet includes minuends within 20. 

Use this worksheet to give first and second graders practice with basic subtraction facts within 20. Learners will need to be have a strong foundation in subtraction fact fluency and automaticity as they move on to more difficult math skills, such as subtraction with multi-digit numbers. 

Find the next worksheet in this series here: Fact Triangles: Subtraction Within 10. Keep working on your subtraction skills with Sticky Subtraction Facts to 20 and Solve With Speed: Subtraction Within 20.