Currency Conversion Using Unit Fractions

This video tutorial explains how to use unit fractions to convert between US dollars and Mexican pesos. It provides two examples: converting 125 Mexican pesos to US dollars and converting 200 US dollars to Mexican pesos. The video emphasizes the importance of placing the correct units in the numerator and denominator to simplify the conversion process. It also highlights the use of approximation due to the exchange rate's nature.

What is the purpose of using unit fractions in currency conversion?

• To increase the conversion rate

• To simplify the conversion process

• To decrease the conversion rate

• To avoid using decimals

When converting 125 Mexican pesos to US dollars, what is the first step?

• Add the conversion rate

• Write 125 pesos as a unit fraction

• Multiply by the conversion rate

• Divide by the conversion rate

What is the unit fraction used to convert pesos to dollars?

• 1 peso over 19.14 dollars

• 19.14 dollars over 1 peso

• 1 dollar over 19.14 pesos

• 19.14 pesos over 1 dollar

Why do we round the result to the nearest hundredth when converting pesos to dollars?

• To decrease the value

• To make the calculation easier

• To increase the value

• To match the currency format

What is the approximate value of 125 Mexican pesos in US dollars after conversion?

• 7.53 dollars

• 5.63 dollars

• 12.53 dollars

• 6.53 dollars

What is the first step in converting 200 US dollars to Mexican pesos?

• Add the conversion rate

• Divide by the conversion rate

• Write 200 dollars as a fraction

• Multiply by the conversion rate

What is the unit fraction used to convert dollars to pesos?

• 1 dollar over 19.14 pesos

• 19.14 dollars over 1 peso

• 19.14 pesos over 1 dollar

• 1 peso over 19.14 dollars

What is the result of converting 200 US dollars to Mexican pesos?

• 3828 pesos

• 1928 pesos

• 4828 pesos

• 2828 pesos

Why is the approximate sign used in the conversion results?

• Because the conversion rate is exact

• Because the conversion rate is approximate

• To make the result look better

• To confuse the students

What is the final message conveyed in the video?

• The conversion is exact

• The conversion is approximate

• The conversion is unnecessary

• The conversion is incorrect