Graphing Rational Numbers on a Number Line

What is a rational number?

• A number that can be written as a fraction of two integers

• A number that cannot be written as a fraction

• A number that is always negative

• A number that is always positive

On a number line, which direction do positive numbers go?

• Upwards

• To the right

• Downwards

• To the left

Where would you place -3 on a number line?

• To the left of zero

• To the right of zero

• Above zero

• At zero

How many sections is the number line divided into in the first example?

• Four

• Three

• Two

• Five

What is the decimal equivalent of 2 and 3/4?

• 3.0

• 2.75

• 2.5

• 2.25

How do you graph 2 and 3/10 on a number line divided into halves?

• Exactly on a half

• Exactly at 2

• Estimate between 2.5 and 3

• Estimate between 2 and 2.5

What is the mixed number form of 9/2?

• 4 and 1/3

• 5 and 1/2

• 4 and 1/2

• 4 and 2/2

How do you convert an improper fraction to a mixed number?

• Add the numerator and the denominator

• Divide the numerator by the denominator

• Subtract the denominator from the numerator

• Multiply the numerator by the denominator

Where would you place -4 and 9/10 on a number line?

• Exactly at -5

• Closer to -5

• Closer to -4

• Exactly at -4.5

How do you estimate the position of a number not exactly on the number line?

• Use what you know to get it as close as possible

• Place it at zero

• Place it at the nearest whole number

• Ignore it