Comparing and Ordering Rational Numbers

This lesson teaches how to compare and order rational numbers by converting them between fractions, decimals, and percents. It emphasizes understanding anchor numbers like halves and thirds to facilitate comparison. The lesson includes a practical example of choosing tax deductions and demonstrates ordering rational numbers from least to greatest.

What is the primary method discussed for comparing rational numbers?

• Using a calculator

• Converting between fractions, decimals, and percents

• Memorizing all possible values

• Guessing based on intuition

In the tax deduction example, which fraction represents the smallest deduction?

• 1/4

• 3/4

• 2/10

• 1/5

How is 25% expressed as a fraction in its simplest form?

• 1/4

• 1/2

• 1/3

• 1/5

Which of the following is greater: 76% or 9/10?

• 76%

• 9/10

• Cannot be determined

• They are equal

What is the decimal equivalent of 5/6 rounded to the nearest hundredth?

• 0.76

• 0.83

• 0.90

• 0.75