Name Date Edit Text Edit Text Error Analysis – MULTI-STEP EQUATIONS Read the word problem. Look at the students work and solution. Identify the error and describe it. Solve the problem correctly. Then share a strategy this student could use to prevent the same error in the future. Amanda is 3 years older than Brantley and Carlos is twice as old as Amanda. The sum of their ages is 57. How old is Amanda? Incorrect Work/Solution Identify and Explain the Error Amanda = b+ 3 → 17 b + 3 + 2(b+3) = 57 %3D Edit Text b + 3 + 2b + 6 = 57 3Ь +9 3 51 -9 -9 3b = 42 Brantley = b Carlos = 2(b + 3) %3D %3D Amanda is 17 years old. 3 3 b = 14 %3D Correct Work/ Solution Share a Strategy Edit Text Edit Text Question # 1 ©Exceeding the CORE

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Edit Text
Edit Text
Error Analysis – MULTI-STEP EQUATIONS
Read the word problem. Look at the students work and solution. Identify the error and describe it. Solve the problem correctly. Then
share a strategy this student could use to prevent the same error in the future.
Amanda is 3 years older than Brantley and Carlos is twice as old as Amanda. The sum of their ages
is 57. How old is Amanda?
Incorrect Work/Solution
Identify and Explain the Error
Amanda = b+ 3 → 17
b + 3
+ 2(b+3) = 57
%3D
Edit Text
b + 3 + 2b + 6 = 57
3Ь +9 3 51
-9 -9
3b = 42
Brantley = b
Carlos = 2(b + 3)
%3D
%3D
Amanda is 17 years old.
3
3
b = 14
%3D
Correct Work/ Solution
Share a Strategy
Edit Text
Edit Text
Question # 1
©Exceeding the CORE
Transcribed Image Text:Name Date Edit Text Edit Text Error Analysis – MULTI-STEP EQUATIONS Read the word problem. Look at the students work and solution. Identify the error and describe it. Solve the problem correctly. Then share a strategy this student could use to prevent the same error in the future. Amanda is 3 years older than Brantley and Carlos is twice as old as Amanda. The sum of their ages is 57. How old is Amanda? Incorrect Work/Solution Identify and Explain the Error Amanda = b+ 3 → 17 b + 3 + 2(b+3) = 57 %3D Edit Text b + 3 + 2b + 6 = 57 3Ь +9 3 51 -9 -9 3b = 42 Brantley = b Carlos = 2(b + 3) %3D %3D Amanda is 17 years old. 3 3 b = 14 %3D Correct Work/ Solution Share a Strategy Edit Text Edit Text Question # 1 ©Exceeding the CORE
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