This is one SMARTBoard Lesson for teaching vertical subtraction within 10. This lesson involves using dominoes to model writing and solving the subtraction problems.
I created this lesson to introduce the Common Core Standard 1.OA.C.6 - subtraction within 10.
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1.OA.C.6, simple subtraction, subtraction dominoes, K.OA.A.5, K.OA.A.2