Exploring Rational Numbers on a Number Line

Which of the following is a whole number?

• -3

• 0.5

• 4

• -1

What is the opposite of the integer 5?

• -5

• 0

• -1

• 5

Which of the following is a rational number?

• π

• √2

• 1/2

• e

What is the value of the rational number -3/4?

• -1.25

• 1.25

• -0.75

• 0.75

On a horizontal number line, which direction indicates increasing values?

• Downwards

• Upwards

• Right to left

• Left to right

What is the origin on a number line?

• The point at 0

• The point at 1

• The point at 10

• The point at -1

What is the value of the point halfway between 0 and -1 on a vertical number line?

• -0.5

• 1.5

• -1.5

• 0.5

Where would you place the point 1.5 on a number line?

• Between 0 and 1

• Between 1 and 2

• Between 2 and 3

• Between -1 and 0

If each dash on a number line represents 5 units, what is the value of the point between 10 and 20?

• 18

• 25

• 15

• 12

On a vertical number line, which direction indicates decreasing values?

• Upwards

• Downwards

• Left to right

• Right to left