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Problem of the Week

PROBLEM OF THE WEEK

1/14 - 1/18

 

 

6th Grade 

Given the expression 2x + 8x, choose all possible equivalent expressions.

 

  1. 10x

  2. 2(1 + 4x)

  3. 2(x + 4x)

  4. x(2 + 8)

  5. 2x + 2x + 2x + 2x + 2x

  6. 2x(x + 4x)

  7. 10 + x

 

 

 

7th grade

Part A:  The length of a rectangle is 5 more than its width.  Draw and label a rectangle to represent this situation.

 

Part B:  Carol says the perimeter of the rectangle is x + 5x + x + 5x.  Joe says that the perimeter is 2(x+5) + 2(x).  Becky says that the perimeter is 4x + 10.  Who is correct?  Explain.

 

Part C:   Write an expression to represent the Area of the rectangle.

 

 

 

 

8th Grade

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