A hiking trail is 3 kilometers long (1 km = 1,000 m). How many meters long is the trail?

A ribbon is 4.5 meters long (1 m = 100 cm). How many centimeters long is the ribbon?

A pencil is 18 centimeters long (1 cm = 10 mm). How many millimeters long is the pencil?

A wall is 250 centimeters tall (1 m = 100 cm). How many meters tall is the wall?

A bridge is 2,400 meters long (1 km = 1,000 m). How many kilometers long is the bridge?

A rope measures 3,500 millimeters (1 m = 1,000 mm). How many meters long is the rope?

A book is 240 millimeters wide (1 cm = 10 mm). How many centimeters wide is the book?

A running track is 0.4 kilometer long (1 km = 1,000 m). How many meters long is the track?

A bag of rice has a mass of 5 kilograms (1 kg = 1,000 g). How many grams is that?

A melon has a mass of 2,750 grams (1 kg = 1,000 g). How many kilograms is that?

A puppy has a mass of 3.2 kilograms (1 kg = 1,000 g). How many grams is that?

A letter has a mass of 45 grams (1 kg = 1,000 g). How many kilograms is that?

A water jug holds 2.5 liters (1 L = 1,000 mL). How many milliliters does the jug hold?

A bottle holds 750 milliliters (1 L = 1,000 mL). How many liters does the bottle hold?

A tank holds 18 liters (1 L = 1,000 mL). How many milliliters does the tank hold?

A measuring spoon holds 5 milliliters (1 L = 1,000 mL). How many liters does the spoon hold?

A climbing rope is 8 meters long (1 m = 1,000 mm). How many millimeters long is the rope?

A jump rope is 300 centimeters long (1 m = 100 cm). How many meters long is the jump rope?

A garden fence is 7 meters long (1 m = 100 cm). How many centimeters long is the fence?

A roll of tape is 150 millimeters wide (1 cm = 10 mm). How many centimeters wide is the tape?

A watermelon has a mass of 4 kilograms (1 kg = 1,000 g). How many grams is that?

A bike path is 2 kilometers long (1 km = 1,000 m). How many meters long is the path?

A race course is 4,500 meters long (1 km = 1,000 m). How many kilometers long is the course?

A bag of apples has a mass of 4,000 grams (1 kg = 1,000 g). How many kilograms is that?

A watering can holds 9 liters (1 L = 1,000 mL). How many milliliters does the watering can hold?

A juice carton holds 1,500 milliliters (1 L = 1,000 mL). How many liters does the carton hold?

A crayon is 9 centimeters long (1 cm = 10 mm). How many millimeters long is the crayon?

A garden hose is 8,000 millimeters long (1 m = 1,000 mm). How many meters long is the hose?

A cooler holds 5 liters (1 L = 1,000 mL). How many milliliters does the cooler hold?

A soup pot holds 12,000 milliliters (1 L = 1,000 mL). How many liters does the pot hold?

A bottle of juice has a mass of 600 grams (1 kg = 1,000 g). How many kilograms is that?

A walking loop is 1.5 kilometers long (1 km = 1,000 m). How many meters long is the loop?

A pencil case is 30 centimeters long (1 cm = 10 mm). How many millimeters long is the pencil case?

A curtain is 2 meters long (1 m = 1,000 mm). How many millimeters long is the curtain?

A recipe needs 750 milliliters of milk. Ana has 2 liters (1 L = 1,000 mL). How many milliliters are left after she makes the recipe?

A board is 3 meters long (1 m = 100 cm). Ben cuts off 80 centimeters. How many centimeters of board are left?

Maya has 2 kilograms of flour (1 kg = 1,000 g). She uses 450 grams. How many grams of flour are left?

A jug holds 4 liters of water (1 L = 1,000 mL). Sam pours out 300 milliliters. How many milliliters are left?

A rope is 5 meters long (1 m = 100 cm). Lin cuts off four pieces, each 60 centimeters. How many centimeters of rope are left?

Two boxes have masses of 2,400 grams and 1,600 grams (1 kg = 1,000 g). What is their total mass in kilograms?