Understanding Number Lines and Multiples of 1,000

What number does a point on a number line represent if the line starts at 1,000 and ends at 2,000, with each tick mark representing 100?

• 1,800

• 1,200

• 1,400

• 1,600

If a number line starts at 6,000 and ends at 7,000, with each tick mark representing 200, what number does a point at the third tick mark represent?

• 6,800

• 6,200

• 6,400

• 6,600

Which number line correctly represents the number 7,500?

• A line from 7,000 to 8,000 with each tick mark representing 100

• A line from 6,000 to 7,000 with each tick mark representing 100

• A line from 7,000 to 8,000 with each tick mark representing 200

• A line from 6,000 to 7,000 with each tick mark representing 200