CC2 4.3.3: 4-107 Student eTool (CPM)

Use this eTool to build what is described below.

Write two different equivalent expressions to describe what is represented.  One of the two representations should include parentheses.

a.  The area of a rectangle with a width of 3 units and a length of  x + 5.

b.  Two equal groups of  3x − 2.

c.  Four rows of  2x + 1.

d.  A number increased by one, then tripled.