Converting Measurements Using Ratios

6.RP.3d Use ratio reasoning to convert measurement units; manipulate and transform units appropriately when multiplying or dividing quantities.

Created by B. MacQueen 2013

Answer Warm-Up In Tablet

Notes on Converting Measurements

Length Weight/Mass Capacity

12 inches = 1 yard3 yards = 1 foot36 inches = 1 yard1 m = 100 cm1 cm = 10 mm1 km = 1,000m

16 oz = 1 pound 1 pint = 2 cups 4 qt = 1 gal8 pt = 1 gal

Tatiana needs 4 feet of ribbon for her Halloween costume. How many inches of ribbon is that?

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Guided Practice

Luis walked 12 yards to the bus stop. How many feet is that?

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Guided Practice

Ricardo is planting apple trees 5 yards apart. How many inches will be between each tree?

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Guided Practice

Ivan’s pet cockroach scampered 5 meters away. How far did it travel in centimeters?

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Guided Practice

An ant scurried across my napkin which is 8 centimeters wide. How wide is my napkin in millimeters?

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Guided Practice

Sitlaly jogged 6 kilometers during PE on Friday. How many meters did she jog?

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Try It

Nayeli is making punch for her party. She needs to mix in 8 pints of 7-Up. How many cups of 7-Up is that?

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Try It

The Ramirez family drinks 6 gallons of milk per month. How many quarts of milk is that?

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Try It

Analisa and her sister drink 2 gallons of strawberry milk every week. How many pints of strawberry milk is that?

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Try It

Shasta, a tea cup poodle, weighs 4.5 pounds. How many ounces does Shasta weigh?

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Try It

Ready to try setting up your own ratios?Let’s go!

Cassandra filled her aquarium with 7 pints of water. How many cups of water is that?

Examples on your own

A. 13c B. 25c C. 14c

Pearl weighs 21 pounds. How many ounces does Pearlie Girlie weigh?

Examples on your own

A. 200 oz B. 336 oz C. 360 oz

Danny’s pet tarantula is 8 centimeters wide. How many millimeters wide is his pet?

Examples on your own

A. 80m B. 60mm C. 40mm

Mrs. MacQueen uses 5 cups of chicken broth in her soup. How many pints is that?

Examples on your own

A. 7.5pt B. 25pt C. 2.5pt

Kevin rode his bike 2,200 meters around the neighborhood. How many kilometers did he ride?

Examples on your own

A. 220km B. 2.2 km C. 22km

Humberto drinks 36 cups of lemonade a day. How many quarts is that?

Mr. Baldwin uses a 320 ounce sand bag to work out. How many pounds is that?

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