Exploring Rational Number Comparisons

This video tutorial covers the comparison of rational numbers, including fractions, decimals, and percents. It explains two main methods: using number lines and place value. The video provides examples of comparing and ordering rational numbers, demonstrating how to convert fractions and percents to decimals for easier comparison. It also discusses how to compare numbers without a number line by focusing on decimal place values.

What does it mean to compare rational numbers?

• To find the sum of the numbers

• To determine which number is larger or smaller

• To convert numbers to fractions

• To multiply the numbers

Which method can be used to compare rational numbers?

• Using a protractor

• Using a number line

• Using a calculator

• Using a ruler

How do you convert the fraction 1/5 to a decimal?

• Multiply by 5

• Divide 1 by 5

• Subtract 5

• Add 5

Which number is greater: 0.22 or 1/5?

• Cannot be determined

• They are equal

• 1/5

• 0.22

How do you convert 79% to a decimal?

• Divide by 1000

• Multiply by 100

• Move the decimal point two places to the left

• Move the decimal point two places to the right

Which is greater: 79% or 37/50?

• 79%

• 37/50

• They are equal

• Cannot be determined

What is the decimal form of 560%?

• 0.056

• 0.56

• 5.6

• 56

Which number is the smallest: -5, -2.8, 4 1/3, or 560%?

• 560%

• 4 1/3

• -2.8

• -5

How do you compare rational numbers without a number line?

• Convert all numbers to fractions

• Convert all numbers to decimal form

• Use a ruler

• Use a protractor

Which is greater: -3.6 or -3.1?

• -3.1

• Cannot be determined

• They are equal

• -3.6