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Lesson 3.1: Key Concept: Add Tens Using a Number Line
Chapter
Lesson
3.1 Launch the Chapter with Career
3.1 Family Letter
3.1 Big Idea of the Chapter
3.1 Chapter Vocabulary
3.1 Investigate
3.1 Key Concept Example Video #1
3.1 Conect to Real Life Example Video
3.2 Investigate
3.2 Key Concept Example Video #1
3.2 Conect to Real Life Example Video
3.3 Investigate
3.3 Key Concept Example Video #1
3.3 Conect to Real Life Example Video
3.3 Math Musical Video
3.4 Investigate
3.4 Key Concept Example Video #1
3.4 Conect to Real Life Example Video
3.5 Investigate
3.5 Key Concept Example Video #1
3.5 Conect to Real Life Example Video
3.6 Investigate
3.6 Key Concept Example Video #1
3.6 Conect to Real Life Example Video
3.7 Investigate
3.7 Key Concept Example Video #1
3.7 Conect to Real Life Example Video
3.8 Investigate
3.8 Key Concept Example Video #1
3.8 Conect to Real Life Example Video
3.9 Using the Problem Solving Plan Video
4.1 Investigate
Lesson 3.1: Key Concept: Add Tens Using a Number Line
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