Home » Curriculum » Quadrivium » QRV-151 Modern Arithmetic III » Modern Arithmetic III, Article 54

# Modern Arithmetic III, Article 54

To complete this lesson, complete the following tasks:

1.   Study the lesson for mastery.
2.  Memorize the lesson that it may be recited.
3.  Complete the lesson assessment.

## Lesson

1. How many mills are in any number of cents?
As there are 10 mills in 1 cent, in any number of cents, there are 10 times as many mills as cents.

2. What is the rule for reducing cents to mills?
To reduce cents to mills, multiply the number of cents by ten; that is, annex one zero.

3. What is the rule for reducing mills to cents?
To reduce mills to cents, divide the number of mills by ten; that is, cut off one figure from the right.

4. How many cents are in any number of dollars.
As there are 10 cents in 1 dime and 10 dimes in 1 dollar, there are 10 × 10 = 100 cents in 1 dollar.  Then, in any number of dollars there are 100 times as many cents as dollars.

5. What is the rule for reducing dollars to cents?
To reduce dollars to cents, multiply the number of dollars by one hundred; that is, annex two zeroes.

6. What is the rule for reducing dollars to cents?
To reduce cents to dollars, divide the number of cents by one hundred; that is, cut off two figures from the right.

7.  How many mills are in any number of dollars?
As there are 10 mills in 1 cent and 100 cents in 1 dollar, there are 100 × 10 = 1,000 mills in 1 dollar; then, in any number of dollars there are 1,000 times as many mills as dollars.

8.  What is the rule for reducing dollars to mills?
To reduce dollars to mills, multiply the number of dollars by one thousand; that is, annex three zeroes.

9.  What is the rule for reducing mills to dollars?
To reduce mills to dollars, divide the number of mills by one thousand: that is, cut off three figures from the right.

## Assessment

Modern Arithmetic III, Article 54 Exam