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Khan Academy (English - US curriculum)
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Khan Academy (English - US curriculum)
Math by grade
Illustrative Mathematics
7th grade (Illustrative Mathematics)
Unit 2: Introducing proportional relationships
Unit 2: Introducing proportional relationships
Lesson 2: Introducing proportional relationships with tables
Lesson 3: More about constant of proportionality
Lesson 4: Proportional relationships and equations
Lesson 5: Two equations for each relationship
Lesson 6: Using equations to solve problems
Lesson 7: Comparing relationships with tables
Lesson 9: Solving problems about proportional relationships
Lesson 10: Introducing graphs of proportional relationships
Lesson 11: Interpreting graphs of proportional relationships
Lesson 12: Using graphs to compare relationships
Lesson 13: Two graphs for each relationship