Japanese Lesson 2
Algebraic Inequalities

Part 3: Students Presenting Solution Methods [Begin: 15:58]






After about six minutes during which the teacher observes and assists students as they work individually, the teacher asks a student to share her solution method. The student reports that she computed the cost for ten 230-yen cakes and that the total was too much. She reduced the number of 230-yen cakes by one and computed again. She said she had planned to continue this process but ran out of time. Other students, who used the same method, build on her explanation and report that the solution is three 230-yen cakes and seven 200-yen cakes.

 

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