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Lesson 1.3: Key Concept: Model and Count 3 and 4
Chapter
Lesson
1.1 Launch the Chapter with Career
1.1 Family Letter
1.1 Big Idea of the Chapter
1.1 Chapter Vocabulary
1.1 Investigate
1.1 Key Concept Example Video #1
1.2 Investigate
1.2 Key Concept Example Video #1
1.2 Key Concept Example Video #2
1.3 Investigate
1.3 Key Concept Example Video #1
1.4 Investigate
1.4 Key Concept Example Video #1
1.4 Key Concept Example Video #2
1.5 Investigate
1.5 Key Concept Example Video #1
1.6 Investigate
1.6 Key Concept Example Video #1
1.7 Investigate
1.7 Key Concept Example Video #1
1.7 Math Musical Video
1.8 Investigate
1.8 Key Concept Example Video #1
Lesson 1.3: Key Concept: Model and Count 3 and 4
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