3:31 Seasons: Why do we have them? Gizmo : ExploreLearning Helper 2 Doug Springer 407 views - 5 years ago
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10:28 A Quick Showing of Mr. Springer Doing Lesson 1 and Answers to Check With Doug Springer 26 views - 5 years ago
20:52 Unit 1 Lesson 9 Adding & Subtracting Unlike Mixed Numbers (review) Doug Springer 14 views - 6 years ago