Solving Proportional Relationships

Solving Proportional Relationships

by Sarah Britzke

​Inverse Operations

​Mathematical operations are actions such as addition, subtraction, multiplication and division.

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​Each operation has an "Inverse" or opposite operation!

Fill in the Blanks

The inverse operation of addition is

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The inverse operation of subtraction is...

Fill in the Blanks

The inverse operation of multiplication is...

Multiple Choice

What operation is shown between a and 2 in the equation below? $$a+2$$  

• Addition

• Subtraction

• Multiplication

• Division

Multiple Choice

What operation is shown between a and 2 in the equation below? $$2a$$  

• Addition

• Subtraction

• Multiplication

• Division

Multiple Choice

What operation is shown between a and 2 in the equation below? $$\frac{a}{2}$$  

• Addition

• Subtraction

• Multiplication

• Division

Multiple Choice

What operation is shown between a and 2? -2 +a 

• Addition

• Subtraction

• Multiplication

• Division

​To Solve an Equation

​1) Identify the operation occurring between the variable and constant

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​2)Perform the INVERSE operation to BOTH SIDES of the equal sign

Poll

What operation should be used to solve for a?  $$5a=10$$  

• Addition

• Subtaction

• Multiplication

• Division

• D

​

Multiple Choice

Solve the equation for x.  $$20x=525$$  

• x=26.25

• x=535

• x=20

• I am not sure what to do

​Solving for force, mass or acceleration

​Solving for force, mass or acceleration

Fill in the Blanks

What is the Force in Newons (N) needed to move a 5kg object accelerating at a rate of 20 meters per second squared? Your answer must end in N!

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What is the Force in Newons (N) needed to move a 12kg object accelerating at a rate of 20 meters per second squared? Your answer must end in N!

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What is the mass in KG of an object experiencing 100 N of force, accelerating at a rate of 20 meters per second squared? Your answer must end in KG!

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What is the acceleration in meters per seconds squared of an object experiencing 100 N of force, and weighing 25 kg? Your answer must end in meters persecond squared!