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## PowerPoint Slideshow about 'METRIC CONVERSION' - phila

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### METRIC CONVERSION

Count Up to Six

Know Your Left From Your Right

King-Henry-Died-By-Drinking-Chocolate-Milk

What are Metric Conversions?

- Sometimes we need to change from one measurement to another.
- This is usually done because the unit that is used is either too big or too small for that type of measurement.

How Do We Fix This Problem?

We can correct these problems by doing a process called Metric Conversion. When you do a Metric Conversion, you are changing from one unit of measurement to another.

So How Do I Do A Metric Conversion?

We will be using a method called The Stair-step Method of Metric Conversion.

It requires you to move the decimal in the number.

The Stair-step

Kilo-

Hecto-

Deka-

base units

Deci-

Centi-

Milli-

Grams, liters,meters

King-Henry-Died-By-Drinking-Chocolate-Milk

How Do I Use This?

5.0 K

m

_?_H

m

- -The first letter of the prefix in the unit of measurement tells you which step to start on.
- -The first letter in the second unit of measurement tells you which step to stop on.
- -Find which step to start on, and count the number of steps it takes to get to the step that you need to stop on.

How Do I Use This (cont.)?

- If you went to the right(downstairs) the decimal in the first measurement moves that many places to the right.
- If you went to the left (upstairs) then the decimal moves to the left. Fill any empty places with zeros.

5.0 K

m

_50_H

m

525568 mm = ? m

The decimal in 525568 mm moves three places to the left, becoming 525.568 m.

0.00654 km = ? m

0.00654 km becomes 6.54 m.

Hey! This Is Easy!

You bet it’s easy! Like we said on the first slide…..

Be able to count up to six and know your left from your right.

Now, get your stair-step sheet and your practice problems and do some more conversions!

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