Understanding Rational Numbers

This video tutorial explains how to compare and order rational numbers by converting them into decimals. It covers the conversion of percentages and fractions to decimals, using examples like two-thirds, zero, four-tenths, eighty-seven percent, and sixteen over twenty. The tutorial emphasizes the importance of converting numbers to a common decimal form to easily compare their values, similar to comparing money. The video concludes with a call to action for viewers to subscribe for more math and science content.

What is the first step in comparing rational numbers?

• Convert them to whole numbers

• Convert them to fractions

• Convert them to decimals

• Convert them to percentages

Which of the following is a rational number?

• Two-thirds

• Square root of 2

• Pi

• Infinity

How do you convert 87% to a decimal?

• Divide by 10

• Multiply by 10

• Multiply by 100

• Divide by 100

What is 87% as a decimal?

• 0.87

• 0.087

• 8.7

• 87.0

What is the decimal equivalent of two-thirds?

• 0.75

• 0.66

• 0.5

• 0.33

How can you convert 16/20 to a decimal?

• Multiply by 100

• Divide by 16

• Divide by 20

• Multiply by 5

What is the decimal form of 16/20?

• 0.2

• 1.6

• 0.16

• 0.8

Which number has the least value when converted to a decimal?

• Two-thirds

• 87%

• 0.4

• 16/20

What is the decimal representation of 40 hundredths?

• 4.0

• 0.4

• 40.0

• 0.04

Which of the following is the greatest when converted to a decimal?

• 87%

• 16/20

• Two-thirds

• 0.4