Adding Nine

Practice adding nine to numbers within 10 with this simple and inviting worksheet! Geared toward first-grade math learners, this worksheet offers 21 practice problems to help students hone their knowledge of addition facts within 10 and 20. With a focus on adding the number nine to other single-digit numbers, this worksheet is a great way to help young learners improve their ability to recognize patterns in addition, while also introducing them to the commutative property of addition. Be sure to check out the rest of the set of Simple Addition Facts worksheets for even more practice!