Stude
ntName:
Lesson12
LessonNotes
Addition:AddingTens
Writethefollowingtensasthreedi gitnumbers.
23tens
54tens
17tens
34tens
87tens
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Stude
ntName:
Lesson12
PlaceValueStrategy:AddingManyNumberswithRegrouping
Usewhatyouknowaboutplacevaluetoadd74,62,34,and25intherectanglebelow.
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