Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Sylvia used graph paper to make a drawing of a bar model of a cube.<br />
1. a. Use Student Activity Sheet 4 to finish Sylvia’s drawing.<br />
b. Use a colored pencil to draw two face diagonals.<br />
c. Use a different colored pencil to draw one space diagonal.<br />
Kelly has eight straws, each 10 cm long. She wants to build a bar<br />
model of a pyramid using all the straws.<br />
2. a. Make a drawing to show how she can do this.<br />
b. Would this model be more stable than a pyramid built with<br />
six straws? Why or why not?<br />
Maglio has six 5-cm straws <strong>and</strong> three 10-cm straws. Without cutting<br />
any straws, he wants to make bar models of prisms <strong>and</strong> pyramids.<br />
3. Which bar models can Maglio make with his straws if he does<br />
not have to use all nine of his straws at one time? Use drawings<br />
to support your answer.<br />
Section B: Bar Models 21
Change language