Tad Watanabe Profile Topics Started Replies Created Engagements Favorites Search topics: Topics Engaged In Viewing 4 topics - 1 through 4 (of 4 total) Topic Voices Posts Last Post Algorithms Grades 2-5 1 2 Started by: Duane in: K–5 Number and Operations in Base Ten 5 22 9 years, 3 months ago Bill McCallum Geometry Progression Started by: Tad Watanabe in: K–6 Geometry 6 12 11 years, 8 months ago Cathy Kessel Mixed numbers in Grades 4 and 5 Started by: Duane in: 3–5 Fractions 5 12 12 years ago Bill McCallum subtraction (K.OA) Started by: Tad Watanabe in: K–5 Counting and Cardinality & Operations and Algebraic Thinking 2 4 12 years, 2 months ago Bill McCallum Viewing 4 topics - 1 through 4 (of 4 total)