免稅菸酒網站相關資料
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Base 10 Numbers
Through the context of ants for an ant farm, students will explore big ideas such as EQUIVALENCE, PLACE VALUE PATTERNS, and UNITIZING in this educatio …
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Add Subtract by 10s
This low cost app connects and builds on work 1st and 2nd Graders have previously done with number lines. Now they use increments of ten, rather than …
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