Metric Mania The metric system science and You
- Slides: 20
Metric Mania The metric system, science, and You!
What is Metrics? The Metric System is a system of measurement that is used by scientists all over the world. Most countries only use the metric system.
Metric Units There are different metric units depending on what we want to measure: Length: Meter (m) Volume: Liter (l) Mass: Gram (g) These are called basic units.
Prefixes Matter! When you add a prefix to a basic unit you change it’s value. Kilo (k) = 1000 Hecta (h) = 100 Deca (da) = 10 BASE UNIT = 1 Deci (d) =. 1 Centi (c) =. 01 Milli (m) =. 001
Metric Conversion Kilo (k) 1000 Hecta (h) 100 Deca (da) 10 1 Deci (d) . 1 Centi (c) . 01 Milli (m) . 001
Length/Distance The basic unit of length in the metric system is the meter and is abbreviated using a lowercase m. Metric Units 1 Kilometer (km) = 1000 meters 1 Meter = 100 Centimeters (cm) 1 Meter = 1000 Millimeters (mm)
Measuring Length To measure length, we use a ruler. How many millimeters are in 1 centimeter? 1 centimeter = 10 millimeters
Measuring Length 28 What is the length of the line in millimeters? _______mm What is the length of the line to the nearest centimeter? ____cm ***HINT: Round to the nearest centimeter – 3 NO decimals.
Measuring Length: Whiteboard Practice
Measuring Length: Try It! 37 mm Length: ____
Measuring Length: Try It! 7. 2 cm Length: ____
Measuring Length: Try It! 5. 1 cm Length: ____
Measuring Length: Try It! 6. 2 mm Length: ____
Ladder Method Kilo (k) 1000 4. ___. = 4000 m ____ Hecta (h) 100 Deca (da) 10 1 How do you use the Ladder Method? Deci (d) . 1 Centi (c) . 01 Milli (m) . 001 1. Determine your starting point. 4 km= ____ m 2. Count the “jumps” to your ending point Ending Starting 3. Move the decimal the same Point number of jumps in the same direction How many jumps does it take?
Ladder Method Practice 1000 kg= ____ g
Ladder Method Practice 1 L = ____ m. L
Ladder Method Practice 160 cm = ____ mm
Ladder Method Practice 14 km = ____ m
Ladder Method Practice 250 m = ____ km
Homework Side 1: Practicing Measuring Skills Side 2: Measuring in cm & mm Complete sheet using stated directions Measure each line. On a separate sheet of paper write the measurement for each line in cm and mm. Attach sheet to homework.
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