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Directly and inversely proportional
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Slide 1

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

Slide 2

A is directly proportional to B

A is directly proportional to B

A is inveresly proportional to C

Slide 3

A is directly proportional to B

A is directly proportional to B

A is directly proportional to C

Slide 4

In the equation

In the equation

A is inveresly proportional to B

A is inveresly proportional to C

Slide 5

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

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

Slide 6

weight(w) is directly proportional to mass(m) and directly proportional to acceleration due to gravity(g)

weight(w) is directly proportional to mass(m) and directly proportional to acceleration due to gravity(g)

#1

Slide 7

Pressure(P) is directly proportional to the Force(F)and inversely proportional to the area(A)

Pressure(P) is directly proportional to the Force(F)and inversely proportional to the area(A)

#2

Slide 8

Frequency(f) is inversely proportional to the time(t)

Frequency(f) is inversely proportional to the time(t)

#3

Slide 9

Acceleration(a) is directly proportional to the Force(F) and inversely proportional to the mass(m)

Acceleration(a) is directly proportional to the Force(F) and inversely proportional to the mass(m)

#4

Slide 10

Jis directly proportional to the , X directly proportional to the L and inversely proportional to theN

Jis directly proportional to the , X directly proportional to the L and inversely proportional to theN

#5

Slide 11

ANSWERS

ANSWERS

Slide 12

weight(w) is directly proportional to mass(m) and directly proportional to acceleration due to gravity(g)

weight(w) is directly proportional to mass(m) and directly proportional to acceleration due to gravity(g)

#1

w=mg

Slide 13

Pressure(P) is directly proportional to the Force(F)and inversely proportional to the area(A)

Pressure(P) is directly proportional to the Force(F)and inversely proportional to the area(A)

#2

P=F/A

Slide 14

Frequency(f) is inversely proportional to the time(t)

Frequency(f) is inversely proportional to the time(t)

#3

f=1/t

Slide 15

Acceleration(a) is directly proportional to the Force(F) and inversely proportional to the mass(m)

Acceleration(a) is directly proportional to the Force(F) and inversely proportional to the mass(m)

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