Measuring Length

Haya measured a greeting card and found that it was 7 cm long. How many millimeters (mm) are in 7 centimeters?

• 700 mm

• 100 mm

• 70 mm

• 10 mm

Choose the best unit for measurement.

• cm

• m

How long is the yellow pencil?

• 3 in.

• 3 cm.

• 16 in.

• 16 cm.

Which real object is about 1 inch long?

• calendar

• umbrella

• grasshopper

• table

How long is the key?

• 0 cm.

• 2 cm.

• 0 in.

• 2 in.

What is the length of the straw?

• 0 cm.

• 0 in.

• 8 cm.

• 8 in.

How many inches are in one foot?

• 1 in.

• 36 in.

• 12 in.

• 3 in.

Samantha is measuring flowers. The rose is 18 inches long. The tulip is 12 inches long. How much longer is the rose?

• 18 in.

• 12 in.

• 6 in.

• 30 in.

Which tool would be the best to measure a penny?

• centimeter ruler

• yardstick

• measuring tape

Which tool would be the best to measure the length of a school bus?

• inch ruler

• yardstick

• tape measurer