Proportional Change Work
  • 1. 1 HINT *** DRAW A PICTURE**
A) C
B) C
C) B
D) D
  • 2. 2 HINT** What is your scale factor? Is it Perimeter, area or volume? How many times Do you need to maulying by the scale factor? Remember that the change is all the scale factors multiplied together.
A) A
B) C
C) B
D) C
  • 3. 7 HINT*** the phase, rope around means what? (perimeter, area or volume) Does 3 times mean that your answer is going to be bigger or smaller?
A) A
B) D
C) B
D) C
  • 4. 8 HINT *** You might want to find the circumference of both bracelets first.
A) Both A & D
B) A only
C) Both B & C
D) B only
  • 5. 9 HINT *** There are three ways to right a ratio. 5:2 is also 5/2. Is 5/2 bigger or smaller than 1?

    If the problem is about finding the perimeter, how many times are you multiplying by the scale factor?
A) B
B) A
C) C
D) D
  • 6. 13 HINT****When the problem says square feet what is it talking about? (Perimeter, Area or Volume)
A) B
B) C
C) D
D) A
  • 7. 14 Hint** double means? Use the formulas on the board.
A) B
B) D
C) C
D) A
  • 8. 15 HINT** Remember that the change is found by multiplying all the scale factors together so the scale factor is not 25.
    25 is the change.

    You might try drawing and labeling the rectangles.
A) A
B) C
C) B
D) D
  • 9. 18. HINT*** What two numbers do you need to solve this problem? IS some of the information extra?
A) C
B) B
C) D
D) A
  • 10. 19. HINT** Are you getting bigger or smaller? Should your scale factor be bigger or smaller that one?
A) D
B) C
C) B
D) A
  • 11. 20. HINT** Are you getting bigger or smaller? Should your scale factor be bigger or smaller that one?
A) A
B) B
C) C
D) D
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