Metric and Customary Units of Length

Metric and Customary Units of Length

Length

1 millimeter (mm)

It is very small.

1 centimeter (cm)

1 cm = 10 mm

1 meter (m)

1 m = 100 cm

1 m = 1000 mm

1 kilometer (km)

1 km = 1000 m

Multiple Choice

The height of a Ferris wheel

• 7 m

• 7,000 m

• 70 m

• 1 km

Multiple Choice

The length of a carrot

• 15 cm

• 15 mm

• 0.5 m

• 150 cm

Multiple Choice

The length of a crayon

• 900 mm

• 9 mm

• 90 cm

• 90 mm

Multiple Choice

The length of a rattlesnake

• 16 cm

• 1.6 m

• 1.6 km

• 16 m

Multiple Choice

The height of a two-story house

• 700 cm

• 70 m

• 700 mm

• 0.7 m

1 centimeter (cm) = 10 millimeters (mm)

1 meter (m) = 100 centimeters (cm)

1 kilometer (km) = 1,000 meters (m)

Dan ran 2 km. How many meters did he run?

• 2 km x 1,000

• 2 x 1,000 = 2,000

• Dan ran 2,000 m.

• It is important to include the unit of measurement as a part of the answer.

• 2,000 m

Sue has 1,500 cm of ribbon. How many meters of ribbon does Sue have?

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Tia wanted to buy a new leash for her dog. She wanted it to be 2 m long. The measurements on Amazon are in centimeters. How many centimeters would the leash be if she bought one that was 2 m long?

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Cy went on a trip that is 56,000 m from his house. How many kilometers would that be?

Inch (in)

A small unit of cutomary measurement.

Foot (ft)

1 foot = 12 inches

Yard (yd)

1 yard = 3 feet

Multiple Select

Choose all that would be about an inch.

Multiple Select

Choose all that would be about a foot.

Multiple Select

Choose all that would be about a yard.

Mia has 7 yards of ribbon to make hairbows. She needs 8 inches per hairbow. How many hairbows can she make from the ribbon she has?

• 1st - Determine the number of feet of ribbon.

• 7 yds x 3 = 21 ft

• 2nd - Determine how many inches of ribbon.

• 21 ft x 12 = 252 in

• 3rd - Determine how many hairbows she can make.

• 252 in ÷ 8 = 31 R4

• Mia can make 31 hairbows.

Tim wants to make a rope swing. He needs 10 yds of rope to make the swing. He went to Lowes and the rope was sold in rolls of 360 in. How many rolls of rope will he need to buy to have enough rope for his swing?

• 1st - Determine how many feet of rope is in one roll.

• 360 in ÷ 12 = 30 ft

• 2nd - Determine how many yards of rope is in one roll.

• 30 ft ÷ 3 = 10 yds

• Yes, one roll of rope will be enough to make a rope swing.

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Connie is making taffy. When she pulls the taffy, she has 6 ft of taffy. She cuts it into 1 in pieces. How many pieces of taffy does Connie make?

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Ben and Jack are having a snowboarding contest to see who can snowboard the furthest. Ben snowboards 50 yds before falling. Jack snowboards 610 feet before he falls. Who snowboarded the furthest?

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Summarizer: How many feet are in a yard?

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Summarizer: How many inches in a foot?