Question 1: Arrange the following lengths in ascending order: 4.56 m, 4.565 m, 4.6 m, 4.55 m.

Answer: 4.55 m, 4.56 m, 4.565 m, 4.6 m

Question 2: Calculate the difference between the longest and shortest lengths: 7.89 m and 7.845 m.

Answer: 0.045 m

Question 3: A piece of ribbon is 2.456 meters long. Another piece is 2.465 meters long. Which piece is longer?

Answer: The 2.465 meter piece is longer.

Question 4: Order these lengths from shortest to longest: 3.789 m, 3.78 m, 3.798 m.

Answer: 3.78 m, 3.789 m, 3.798 m

Question 5: Estimate the length of a pencil that measures approximately 15.234 meters. Round to two decimal places.

Answer: 15.23 meters

Question 6: A rope is 5.678 meters long. If you cut off 1.234 meters, what is the remaining length?

Answer: 4.444 meters

Question 7: A garden bed is 2.345 meters long and another is 2.534 meters long. Which is longer and by how much?

Answer: The 2.534 m bed is longer by 0.189 m.

Question 8: Construct a line segment on the grid that measures exactly 4.72 meters.

Answer: Student draws a 4.72 meter line segment.

Question 9: Order these lengths from largest to smallest: 9.876 m, 9.867 m, 9.8765 m.

Answer: 9.8765 m, 9.876 m, 9.867 m

Question 10: Identify and correct the mistake in this ordering: 3.5 m, 3.55 m, 3.555 m, 3.5555 m, 3.55 m.

Answer: The order should be 3.5 m, 3.55 m, 3.555 m, 3.5555 m; the repeated 3.55 m was incorrectly placed.

Question 11: A student measured two lengths: 1.234 meters and 1.231 meters. They recorded the longer length as 1.231 meters. Is this correct? Explain.

Answer: No, the longer length is 1.234 meters. The student recorded it incorrectly.