What is the length of the object shown here?
What is the length of the object shown with the ruler here?

What is the length of the toothpick shown with the ruler here?

What time is shown on the stopwatch below?

What time is shown on the stopwatch below?

What time is shown on the stopwatch below?

What time is shown on the stopwatch below?

What time is shown on the stopwatch below?

What time is shown on the stopwatch below?

What time is shown on the stopwatch below?

What is the best estimate for the length of the feather?

What is the best estimate for the diameter of the cd?
