Ordering Real Numbers on the Number Line

What is the first step in ordering real numbers on the real number line?

• Find the exact values of each number

• Represent each number with the same number of decimal places

• Order the numbers from least to greatest

• Draw the number line

Why do we use the squiggly equal sign (≈) when representing numbers?

• To indicate the exact value

• To show that the value is an approximation

• To denote a negative number

• To represent a repeating decimal

Which number is the smallest in the given list?

• Pi squared

• Square root of 30

• Negative 8.283

• Negative 84 over 25

What is the second step in ordering real numbers?

• Draw the number line

• Represent each number with the same number of decimal places

• Order the numbers from least to greatest

• Find the exact values of each number

Which number is approximately 5.477?

• Negative 84 over 25

• Square root of 30

• Five and eleven thirteens

• Pi squared

What is the final step in ordering real numbers on the number line?

• Order the numbers from least to greatest

• Find the exact values of each number

• Represent each number with the same number of decimal places

• Draw the number line and locate each number approximately

What range is used for the number line in this lesson?

• From -15 to 15

• From -10 to 10

• From -5 to 5

• From -20 to 20

Where would you place the number -8.283 on the number line?

• To the right of -8

• To the left of -8

• To the right of -9

• Exactly at -8

Which number is closest to 10 on the number line?

• Square root of 30

• Five and eleven thirteens

• Negative 84 over 25

• Pi squared

What is the approximate value of Pi squared?

• 2.718

• 3.141

• 9.872

• 5.477