Acorn Number Bonds: Subtraction Within 20

You'll go nuts after sharpening your subtraction skills with this acorn-themed activity for first-grade students! This festive worksheet helps learners practice subtracting within twenty. In each of the nine problems, young mathematicians are asked to write two different subtraction equations to reflect the number bonds. 

This worksheet helps learners understand that subtraction means finding the missing part that completes a whole. By connecting number bonds to subtraction facts, students strengthen their number sense, make connections between addition and subtraction, and gain confidence in solving subtraction problems in multiple ways. 

Keep practicing your subtraction skills within twenty with Pumpkin Patch Number Bonds: Subtraction Within 20 and Apple Picking Number Bonds: Subtraction Within 20. For students who need more support, have them complete Apple Picking Number Bonds: Subtraction Within 10 first.