# Lesson: Converting Metric Units

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### Lesson Objective

We will be able to convert metric units of measurement.

### Lesson Plan

Do Now: (5 minutes)

1) Amedeo can type 153 words in 3 minutes. At this rate, how many words can he type in 10 minutes?

2) Convert 5 ½ yards to feet.

3) ¾ of a foot is how many inches?

Direct Instruction: (20 minutes)
Yesterday we converted units of customary measurement. Today we are going to convert units in the metric system. What are some of the differences between the metric system and the customary system?

The metric system has three base units- liters, meters and grams. Unlike the customary system , all three base units use the same prefixes and convert using the same method.

Let’s take a look at some of the metric conversions to see if we can find the pattern and the order of the prefixes. The base unit is in the middle. Each of the prefixes translates to how it relates to the base units.

Kilo                 hector         deca     base     deci               centi                    milli
thousands     hundreds   tens                     tenths          hundredths        thousandths

To remember the order of the units, just think King Henry Died Unusually Drinking Chocolate Milk

To convert metric units:
-          Slide the decimal point the number of places as the distance to the new unit.
-          Slide to the right to go to smaller units
-          Slide to the left for the larger units

Ex. Convert 4.5 liters to milliliters

Ex. Convert 500 millimeters to meters

Guided Practice: (10 minutes)
metric conversion guided practice

Assessment: (10 minutes)
metric conversion assessment

### Lesson Resources

 metric conversion work out   Assessment 799 metric conversion guided practice   Assessment 804