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Directly and inversely proportional

Directly and inversely proportional. Use with student whiteboards, or paper Objective- a mini lesson on writing equations based on definitions that use the words directly and inversely proportional. A is directly proportional to B. A is inveresly proportional to C.

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Directly and inversely proportional

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  1. Directly and inversely proportional Use with student whiteboards, or paper Objective- a mini lesson on writing equations based on definitions that use the words directly and inversely proportional

  2. A is directly proportional to B A is inveresly proportional to C

  3. A is directly proportional to B A is directly proportional to C

  4. In the equation A is inveresly proportional to B A is inveresly proportional to C

  5. On your whiteboards- practice writing the equations according to the definitions provided.

  6. #1 • weight(w) is directly proportional to mass(m) and directly proportional to acceleration due to gravity(g)

  7. #2 • Pressure(P) is directly proportional to the Force(F)and inversely proportional to the area(A)

  8. #3 • Frequency(f) is inversely proportional to the time(t)

  9. #4 • Acceleration(a) is directly proportional to the Force(F) and inversely proportional to the mass(m)

  10. #5 Jis directly proportional to the , X directly proportional to the L and inversely proportional to theN

  11. ANSWERS

  12. #1 • weight(w) is directly proportional to mass(m) and directly proportional to acceleration due to gravity(g) w=mg

  13. #2 • Pressure(P) is directly proportional to the Force(F)and inversely proportional to the area(A) P=F/A

  14. #3 • Frequency(f) is inversely proportional to the time(t) f=1/t

  15. #4 • Acceleration(a) is directly proportional to the Force(F) and inversely proportional to the mass(m) a=F/m

  16. #5 Jis directly proportional to the , X directly proportional to the L and inversely proportional to theN J = (XL)/N

  17. This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching.

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