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Lesson 7.2: Key Concept: Estimate Sums or Differences
Chapter
Lesson
7.1 Launch the Chapter with Career
7.1 Family Letter
7.1 Big Idea of the Chapter
7.1 Chapter Vocabulary
7.1 Investigate
7.1 Key Concept Example Video #1
7.1 Key Concept Example Video #2
7.1 Conect to Real Life Example Video
7.2 Investigate
7.2 Key Concept Example Video #1
7.2 Key Concept Example Video #2
7.2 Conect to Real Life Example Video
7.2 Math Musical Video
7.3 Investigate
7.3 Key Concept Example Video #1
7.3 Conect to Real Life Example Video
7.4 Investigate
7.4 Key Concept Example Video #1
7.4 Conect to Real Life Example Video
7.5 Investigate
7.5 Key Concept Example Video #1
7.5 Conect to Real Life Example Video
7.6 Investigate
7.6 Key Concept Example Video #1
7.6 Conect to Real Life Example Video
7.7 Investigate
7.7 Key Concept Example Video #1
7.7 Conect to Real Life Example Video
7.8 Investigate
7.8 Key Concept Example Video #1
7.8 Conect to Real Life Example Video
Lesson 7.2: Key Concept: Estimate Sums or Differences
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