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L.O. I will identify the Metric Conversions By Ladder Method

Think-Write-Share

Why is it important to use the metric system?

HW: Finish your first Project…

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KILO�1000�Units

HECTO�100�Units

DEKA�10�Units

DECI�0.1�Unit

CENTI�0.01�Unit

MILLI�0.001�Unit

Meters�Liters�Grams

Ladder Method

How do you use the “ladder” method?

1st – Determine your starting point.�

2nd – Count the “jumps” to your ending point.�

3rd – Move the decimal the same number of jumps in the same direction.

4 km = _________ m

1

2

3

How many jumps does it take?

Starting Point

Ending Point

4.

1

__.

2

__.

3

__.

= 4000 m

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Try these conversions using the ladder method.

1000 mg = _______ g 1 L = _______ mL 160 cm = _______ mm

14 km = _______ m 109 g = _______ kg 250 m = _______ km

Conversion Practice

Compare using <, >, or =.

� 56 cm 6 m 7 g 698 mg

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Write the correct abbreviation for each metric unit.

1) Kilogram _____ 4) Milliliter _____ 7) Kilometer _____

2) Meter _____ 5) Millimeter _____ 8) Centimeter _____

3) Gram _____ 6) Liter _____ 9) Milligram _____

Try these conversions, using the ladder method.

10) 2000 mg = _______ g 15) 5 L = _______ mL 20) 16 cm = _______ mm

11) 104 km = _______ m 16) 198 g = _______ kg 21) 2500 m = _______ km

12) 480 cm = _____ m 17) 75 mL = _____ L 22) 65 g = _____ mg

13) 5.6 kg = _____ g 18) 50 cm = _____ m 23) 6.3 cm = _____ mm

14) 8 mm = _____ cm 19) 5.6 m = _____ cm 24) 120 mg = _____ g

Metric Conversion Challenge

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Compare using <, >, or =.

25) 63 cm 6 m 27) 5 g 508 mg 29) 1,500 mL 1.5 L

26) 536 cm 53.6 dm 28) 43 mg 5 g 30) 3.6 m 36 cm