Math Practice 101
Homework Explained - Math Practice 101

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Grade 5 HMH Go Math - NEW


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Problem Solving

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  • Question 14 (request help)

    Kirsten is making lanyards for a convention. She needs to make 1,000 lanyards and knows that 1 lanyard uses 1.75 feet of cord. How much cord will Kirsten need?

    Kirsten’s work is shown below.

    \(\begin{align}
    &1\times1.75 =1.75\\
    &10\times1.75 =10.75\\
    &100\times 1.75 =100.75\\
    &1,000\times 1.75 =1,000.75
    \end{align}\)

       Find and describe   

    Kirsten’s error. 

      Solve the problem using  

    the correct pattern.

     

     

    		  

     

    So, Kirsten needs ______ feet of cord to make 1,000 lanyards.

    Describe how Kirsten could have solved the problem without writing out the pattern needed.
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