History and Background
Vocab and Concepts
The Process
Math in Action
Compare and Critique
100

Who Developed Jeffersons Apportionment Method?

Who is Thomas Jefferson? 

100

This is the term for dividing something proportionally.

What is apportionment?

100

This is the first step when using Jeffersons Method.

What is finding the standard divisor?

100

A state has a population of 1,000 and a divisor of 100. This is its quota. 

What is 10?

100

This apportionment method always rounds quotas up instead of down.

What is Adam’s Method?

200

This was the original purpose of Jefferson’s Method. 

What is to fairly divide seats in the House of Representatives based on population?

200

This is the name for a states population divided by the divisor. 

What is a quota?

200

This is what you do after calculating all the quotas.

What is round all quotas down?

200

A states quota is 5.8. This is how many seats it gets using Jefferson’s Method. 

What is 6?

200

This is how Hamilton’s Method handles rounding unlike Jefferson’s. 

What is always round down even if the decimal is greater than .5?

300

This century is when Jefferson first proposed his apportionment method.

What is the 18th century?

300

This is found by dividing the total population by the totals number of seats.

What is the standard divisor?

300

This his what you do if the rounded quotas add up to fewer seats than needed.

What is lower the divisor and recalculate?

300

A state has a population of 2,500 and the divisor is 120. This is the quota (rounded down).

What is 20?

300

This is why small states might dislike Jefferson’s Method.

What is favors larger states by always rounding down?

400

This is reason Jefferson‘s Method was considered controversial.

What is your favorite states due to always rounding down?

400

This adjusted number helps ensure the total number of seats assigned is correct.

What is a modified divisor?

400

This is what you do if the rounded quotas add up top fewer seats than needed. 

What is lower the divisor and recalculate? 

400

You calculate quotas and get a total of 98 seats, but need 100. This is what you do next.

What is lower the divisor and recalculate? 

400

This method is more likely to violate the quota rule. 

What is Jefferson’s Method. 

500

This political issue led to the creation of apportionment methods like Jefferson’s. 

What is how to fairly allocate seats in Congress based on state populations?

500

This rule is often broken by Jeffersons Method because it rounds down. 

What is the quota rule?

500

These are the 3 main steps of Jeffersons Method.

What are 1. Calculate divisor, 2. Find quotas and round down, 3. Adjust divisor until seat total matches?

500

These are the seat assignments for states with quotas 3.9, 4.4, and 2.8.

What are 3,4, and 2.

500

This is one reason Jefferson’s Method might be considered unfair. 

What is reduces representation for smaller states by rounding down all quotas?

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