# Metric Conversions 7th Grade Math Online.

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Metric Conversions 7th Grade Math Online

Blueprint Skills SPI 7.4.3 Convert from one unit to another within
the same system

BASIC UNITS OF THE METRIC SYSTEM The meter is the base unit of length in the metric system. The gram is the base unit of mass in the metric system. The liter is the base unit of capacity in the metric system.

Prefixes Prefix Meaning in words Meaning in numbers Kilo Thousand
1,000 Hecto Hundreds 100 Deka Tens 10 Deci Tenths .1 Centi Hundredths .10 Milli Thousandths .100

To convert from one unit to another is like walking up and down steps.
Converting Units To convert from one unit to another is like walking up and down steps. Which way? Up or down?

Going Up??? When going from a smaller unit to a larger unit, you move UP the steps and the decimal moves to the LEFT .

Going Down??? When going from a larger unit to a smaller unit, you move DOWN the steps and the decimal moves to the RIGHT .

Let’s take a look!!!

King Henry Died By Drinking Chocolate Basic Unit Liters Meters Grams
Kilo King UP steps, Decimals move to the LEFT Henry Hecto Deka Died Basic Unit By Deci Drinking Centi Chocolate Milli Basic Unit Liters Meters Grams Milk Down steps, Decimals move to the RIGHT

Practice Time 4.5 m = ? cm

* * 4.5 What to do first in the problem 4.5 m = __ cm ?
Find YOUR step, then move!!! Basic Liter Meter Gram * Kilo Start here at Meters and Move DOWN to Centimeters. Decimal place moves to the RIGHT the same number of steps. Hecto Deka * Basic 4.5 Deci Centi Milli

As you move the decimal you will need to add zeros. .

4.5 m = 450 cm

Good Job!!

Quiz Time 28 cm = ? mm 438 cm = ? m 72 g = ? mg 202 g = ? Kg 2L = ? mL

How did We do?? 28 cm = 280 mm cm = 4.38 m g = 72,000 mg g = 0.202 kg 5. 2 L = 2,400 L

We Are Done Yeah!!!