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Math Lab #2

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Page 1: Math Lab #2

Name:  ______________________________________________________       Date:  ______________

Learning  Goal  Lab  #:  ________  Title:  __Pythagoras  in  3D  –  Juice  Box    ____

                                                                                                                                                                       

Ask  a  Driving  Ques/on

What  do  you  no/ce?  What  does  this  remind  you  of?  

Es/mate        

Too  high

Too  low

Try  it!  Calculate

Page 2: Math Lab #2

             

Are  you  correct?  No?  Try  again!  What  did  you  do  differently  this  /me?

How  much  should  the  straw  sCck  out  of  the  box  so  someone  could  drink  from  it?    ______________________________

Assume  you  put  the  hole  at  the  corner  (vertex)  of  the  box.  How  long  would  the  straw  need  to  be?  _________________

Is  there  a  beNer  place  to  put  the  hole  than  the  corner?  Where  and  why?  How  long  would  the  straw  need  to  be  then?  ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

How  can  you  store  a  straw  of  that  length  on  the  juice  box  when  you  package  them  up?  ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Can  you  generalize  your  process  so  that  it  can  be  used  no  maNer  what  size  the  juice  box  is?

______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Page 3: Math Lab #2

Name:  ______________________________________________________       Date:  ______________

Learning  Goal  Lab  #:  ________  Title:  Pythagoras  in  3D  –  Shipping  Long  Objects

                                                                                                                                                                       

Ask  a  Driving  Ques/on

What  do  you  no/ce?  What  does  this  remind  you  of?  

Es/mate        

Too  hig

h

Too  low

Try  it!  Calculate

Page 4: Math Lab #2

             

Are  you  correct?  No?  Try  again!  What  did  you  do  differently  this  /me?

How  tall  does  the  box  need  to  be  for  the  rod  to  fit?    ______________________________Can  you  generalize  your  process  so  that  it  can  be  used  for  any  sized  box?______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Is  this  the  best  way  to  pack  the  box?  What  size  box  would  be  beNer?  Would  it  be  beNer  to  just  use  a  long  box?  Why  or  why  not?  ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________What  is  the  smallest  volume  box  you  can  use  to  fit  the  rod?  ________________________________________________We’ve  been  assuming  the  rod  has  a  width  of  0.  What  if  it  is  wider?  How  would  that  change?  ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Page 5: Math Lab #2

Name:  ______________________________________________________       Date:  ______________

Learning  Goal  Lab  #:  ________  Title:  Pythagoras  in  3D  –  Radio/Cell  Towers

                                                                                                                                                                       

Ask  a  Driving  Ques/on

What  do  you  no/ce?  What  does  this  remind  you  of?  

Es/mate        

Too  high

Too  low

Try  it!  Calculate

Page 6: Math Lab #2

             

Are  you  correct?  No?  Try  again!  What  did  you  do  differently  this  /me?

How  long  would  each  guy  line  need  to  be?  ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Can  you  generalize  your  process  for  different  tower  heights  and  guy  wire  distances?

______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

What  do  you  think  the  best  arrangement  and  distances  for  the  guy  lines  of  this  tower  would  be?  Why?

___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________