Guessing Metric Lengths

Choose the most appropriate unit of measure for the height of a house.

• mm

• cm

• dm

• m

Is the length of this pinecone closer to 5 cm or 5 dm?

• 5 cm

• 5 dm

Samuel has 3 objects of different lengths. One is 1 m. Another is 1 cm. The third one is 1 dm. Order the objects from longest to shortest.

• 1 cm, 1 dm, 1 m

• 1 dm, 1 m, 1 cm

• 1 m, 1 dm, 1 cm

• 1 m, 1 cm, 1 dm

Choose the most appropriate unit of measure for the length of a cat.

• mm

• cm

• m

• km

A grain of sand measures about____________?

• 1 m (meter)

• 1 mm (millimeter)

• 1 km (kilometer)

• 1 cm (centimeter)

Choose the most appropriate unit of measure for the length of a shoe.

• mm

• cm

• m

• km

Is the length of this feather closer to 2 cm or 2 dm?

• 2 cm

• 2 dm

What is the length in centimeters (cm)?

• 7.2 cm

• 8.0 cm

• 7.4 cm

• 7.7 cm

What is the length of the object in centimeters (cm)?

• 3.4 cm

• 4.3 cm

• 3.5 cm

• 1 ¹/₄ inches

Measure the length to the nearest centimeter (cm).

• 6.8 cm

• 7 cm

• 0.8 cm

• 7.8 cm