1-2-3 Nim on a 10-Frame

Topics: logic, patterns, addition to 10, counting to 10, subtraction Materials: One 10-frame and at least ten counters per pair of students Recommended Grades: K, 1 Common Core: K.CC.A.2, K.CC.B.4, K.CC.B.5, K.OA.A.1, K.OA.A.2, K.OA.A.4, K.OA.A.5, 1.OA.B.4, MP1, MP7 How to Play Players take turns placing one, two, or three counters on the open squares of a 10-frame. Whoever fills up …