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Lesson 4.7: Key Concept: Mental Math: Subtract Two-Digit Numbers Using Compensation
Chapter
Lesson
4.1 Launch the Chapter with Career
4.1 Family Letter
4.1 Big Idea of the Chapter
4.1 Chapter Vocabulary
4.1 Key Concept Example Video #1
4.1 Conect to Real Life Example Video
4.2 Investigate
4.2 Key Concept Example Video #1
4.2 Conect to Real Life Example Video
4.3 Investigate
4.3 Key Concept Example Video #1
4.3 Conect to Real Life Example Video
4.4 Investigate
4.4 Key Concept Example Video #1
4.4 Conect to Real Life Example Video
4.4 Math Musical Video
4.5 Investigate
4.5 Key Concept Example Video #1
4.5 Conect to Real Life Example Video
4.6 Investigate
4.6 Key Concept Example Video #1
4.6 Conect to Real Life Example Video
4.7 Investigate
4.7 Key Concept Example Video #1
4.7 Conect to Real Life Example Video
4.8 Using the Problem Solving Plan Video
5.1 Investigate
Lesson 4.7: Key Concept: Mental Math: Subtract Two-Digit Numbers Using Compensation
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