Metric Units of Length Answer Key 2020 Elementary

Metric Units of Length Answer Key © 2020 Elementary I Math Jesus & Mary School

Exercise 1 Choose the better estimate. Circle your answer. a. The length of a key: 3 cm or 3 m b. The length of a bike trail : 2 m or 2 km c. The length of a calculator: 10 m or 10 cm d. The height of the door: 2 m or 20 cm e. The thickness of a ruler: 1 mm or 1 cm © 2020 Elementary I Math Jesus & Mary School

Exercise 3 a. Is the length of a pencil greater than or less than 1 meter? Less than 1 m b. Is the length of your foot 20 cm or 20 m? 20 cm c. Is the height of an adult 2 km or 2 m? 2 m © 2020 Elementary I Math Jesus & Mary School

Exercise 4: Convert to the indicated units. Write the missing numbers. 52 m = 5, 200 cm 14 m = 140 dm 8, 000 m = 8 km 3 km = 3, 000 m 200 cm = 2 m 4 m 8 cm= 408 cm © 2020 Elementary I Math Jesus & Mary School

Exercise 5 : Compare. Use >, < or =. 8 km > 80 m 2 m < 200 dm 500 cm = 5 m 4 km > 3, 500 m 3 km > 300 m 950 cm < 10 m © 2020 Elementary I Math Jesus & Mary School

Exercise 6 a. A tree is 4 meters, 10 centimeters. Is this more than or less than 500 centimeter? Explain. 4 m 10 cm = 410 cm 400 cm + 10 cm = 410 cm It is less than 500 cm because 410 is less than 500. b. Which distance is greater, 850 m or 1 km? Compare. 850 m < 1 km because 1 km = 1, 000 m © 2020 Elementary I Math Jesus & Mary School

Great Job! © 2020 Elementary I Math Jesus & Mary School