9. To calculate 201 - 88, a student writes the follow- ing equations: 88 + 2 = 90 + 10 = 100 + 100 = 200 +1 = 201 %3D 2+ 10 = 12 + 100 = 112+1= 113 %3D %3D Although the student has a good idea for solving the problem, his equations are not correct. In words, describe the student's solution strategy and explain why it makes sense; then write correct equations that correspond to this solution strategy.

9. To calculate 201 - 88, a student writes the follow- ing equations: 88 + 2 = 90 + 10 = 100 + 100 = 200 +1 = 201 %3D 2+ 10 = 12 + 100 = 112+1= 113 %3D %3D Although the student has a good idea for solving the problem, his equations are not correct. In words, describe the student's solution strategy and explain why it makes sense; then write correct equations that correspond to this solution strategy.

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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