IXL | Multi-step problems with customary or metric unit conversions

Brett is building a scale model of London's Tower Bridge in engineering class. The actual bridge is 1,000 times longer than his model. If Brett's model is about 80 centimeters long, about how many meters long is the actual bridge?

meters

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Learn with an example

question

Ms. Cunningham is cooking 4 packages of noodles for her kids' lunches. Each package of noodles calls for 400 milliliters of water. How many liters of water will Ms. Cunningham use in all?

liters

key idea

There are 1,000 milliliters in 1 liter.

solution

Multiply to find how much water Ms. Cunningham uses in all. She cooks 4 packages of noodles. Each package calls for 400 milliliters of water.

400

1,600

Ms. Cunningham uses 1,600 milliliters of water, but the problem asks about

liters.

So, find how many liters are equal to 1,600 milliliters. There are 1,000 milliliters in a liter, so divide by 1,000.

1,600

1,000

1.6

Ms. Cunningham uses 1.6 liters of water in all.

Looking for more? Try these:

Lesson: Converting customary units

Lesson: Converting metric units

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Teacher tools

Work it out

Not feeling ready yet? These can help:

II.4Compare and convert customary units

I.4Multi-step word problems

Lesson: Converting customary units

Lesson: Converting metric units

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