Question 1: Arrange the following lengths in order from shortest to longest: 3.45 cm, 3.405 cm, 3.5 cm.

Answer: 3.405 cm, 3.45 cm, 3.5 cm

Question 2: Calculate the difference between 7.89 m and 7.8 m.

Answer: 0.09 m

Question 3: A rope is 2.75 meters long. A second rope is 2.7 meters long. Which rope is longer and by how much?

Answer: The first rope is longer by 0.05 meters.

Question 4: Order the following lengths from greatest to least: 5.678 m, 5.67 m, 5.607 m.

Answer: 5.678 m, 5.67 m, 5.607 m

Question 5: A garden fence is 12.5 meters long. Another section is 12.45 meters long. Which section is longer?

Answer: The 12.5 meter section is longer.

Question 6: Construct a line segment on the grid that is 4.32 cm long.

Answer: (Students will draw on grid)

Question 7: A runner completes a 10 km race in 42.15 minutes. Another runner completes 9.85 km in the same time. Who runs farther in the same time interval?

Answer: The first runner runs farther.

Question 8: Calculate the total length if a piece of wire is 3.456 m long and is cut into 3 equal parts.

Answer: 1.152 m

Question 9: Order the following lengths from shortest to longest: 8.9 m, 8.89 m, 8.899 m.

Answer: 8.89 m, 8.9 m, 8.899 m

Question 10: Identify the mistake in ordering these lengths: 4.56 m, 4.565 m, 4.55 m.

Answer: The order is incorrect; 4.55 m is shortest, then 4.56 m, then 4.565 m.

Question 11: A swimming pool is 25.4 meters long. A different pool is 25.41 meters long. Which is longer and by how much?

Answer: The second pool is longer by 0.01 meters.

Question 12: Challenge: Construct a line segment that measures exactly 6.789 cm using the grid provided.

Answer: (Students will draw on grid)