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

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

Problem 1RQ

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Question

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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Home | Account Settings | Support | Help | Log ms Calendar Gradebook pra 2019 > Assessment Bridgett Fuqu Timelimit: 3 hours. 2:51:45 remaining Micah has 72 feet of fencing to make a dog run in his yard. He wants the length to be 3.5 feet more than the width. Find the length, L, by solving the equation 2L + 2(L- 3.5) = 72. feet TIP Enter your answer as an integer or decimal number. Examples: 3,-4, 5.5172 Enter DNE for Does Not Exist, oo for Infinity 10:43 AM 12/15/2019