Measurement Systems: Imperial and Non-Standard Units
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Questions and Answers

Convert 739.6 mg to grams: 739.6 mg = _____________________________________ g

0.7396

Which of the following represents the correct conversion of 68 kg to mg?

  • 6,800,000 mg
  • 68,000 mg
  • 680,000 mg
  • 68,000,000 mg (correct)

Convert 26.9 dl to ml: 26.9 dl = _______________________________________ml

2690

104.6 cl is equal to 1.046 dl.

<p>False (B)</p> Signup and view all the answers

Convert 49 kg to cg. Show your work.

<p>4,900,000 cg</p> Signup and view all the answers

Using internet resources, 1 lb is equal to approximately __________ kg.

<p>0.453592</p> Signup and view all the answers

Which of the following is the closest equivalent of 100 km/hr in mi/hr?

<p>62.14 mi/hr (A)</p> Signup and view all the answers

1 US liquid gallon is more than 4 liters.

<p>False (B)</p> Signup and view all the answers

Without using internet resources, convert 70 cm to meters.

<p>0.7</p> Signup and view all the answers

Without using internet resources, 2.5 km is equal to __________ mm.

<p>2500000</p> Signup and view all the answers

Which of the following is the accurate conversion of 1679 cm to km?

<p>0.01679 km (B)</p> Signup and view all the answers

1 tonne is heavier than 1 US ton.

<p>True (A)</p> Signup and view all the answers

Which of the following is a characteristic of the Imperial System of measurement?

<p>Lack of a consistent method for converting between units. (A)</p> Signup and view all the answers

Canada primarily uses the Imperial System for all official measurements.

<p>False (B)</p> Signup and view all the answers

Match the following units with their approximate equivalent:

<p>1 mile = 1.609 kilometers 1 foot = 30.48 centimeters 1 kg = 2.205 lbs 1 imperial gallon = 4.546 Liters</p> Signup and view all the answers

What human body reference was the 'inch' originally based on in the Imperial System?

<p>length from thumb knuckle to thumb tip</p> Signup and view all the answers

The metric system is based on base ______ for conversions.

<p>10</p> Signup and view all the answers

Match the following Metric units with their common references:

<p>Millimeter (mm) = Thickness of a toonie Centimeter (cm) = Width of your pinky finger Metre (m) = Floor to the doorknob</p> Signup and view all the answers

What was the original basis for the 'metre' in the Metric System?

<p>1/10,000,000 of the distance from the North Pole to the Equator. (B)</p> Signup and view all the answers

Which countries still primarily use the Imperial System?

<p>USA, Liberia, and Myanmar (B)</p> Signup and view all the answers

What does 'Metre' mean in Greek?

<p>to measure</p> Signup and view all the answers

Flashcards

Non-Standard Length

A non-standard unit of measurement based on body parts, like the cubit.

Cubit

The length from the elbow to the tip of the middle finger.

Imperial System

A measurement system standardized in Great Britain that uses inches, feet, yards, and miles.

Inch

Length from thumb knuckle to thumb tip in the Imperial system.

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Foot

Length from heel to toe of 6ft person in the Imperial system.

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Yard

The length from your nose to your knuckles in the Imperial system.

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Metric System

A measurement system using base 10, with units like millimetres, centimetres, metres, and kilometres.

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Metre

The base unit of length in the Metric System, originally based on the Earth's meridian.

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What is a centimeter (cm)?

The metric unit of length equal to one hundredth of a meter.

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What is a millimeter (mm)?

The metric unit of length equal to one thousandth of a meter.

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What is a kilometer (km)?

The metric unit of length equal to one thousand meters.

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What happens when converting km to cm?

Converting from a larger unit to a smaller unit involves multiplying.

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What happens when converting mm to km?

Converting from a smaller unit to a larger unit involves dividing.

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How many cm in a meter?

There are 100 centimeters in 1 meter.

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How many mm in a meter?

There are 1000 millimeters in 1 meter.

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How many meters in a kilometer?

There are 1000 meters in 1 kilometer.

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Meters to Kilometers

To convert meters (m) to kilometers (km), divide by 1000.

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Grams to Milligrams

Grams (g) to milligrams (mg): multiply by 1000. (1 g = 1000 mg)

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Kilograms to Milligrams

Kilograms (kg) to milligrams (mg). First, convert kg to grams (multiply by 1000) and then grams to mg (multiply by 1000).

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Milliliters to Deciliters

Milliliters (ml) to deciliters (dl): divide by 100. 10 dl = 1 L

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Deciliters to Liters

Deciliters (dl) to Liters (L): divide by 10. (10 dl = 1 L)

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Study Notes

  • Measurement conversions involve understanding and using different units of measurement.

Human Body as a Reference

  • Non-standard units of measurement can be derived from the human body, as detailed in the video "Non-Standard Lengths"(2:40)
  • Examples include using the length from the elbow to the fingertip, known as a cubit, which was standardized by kings in ancient Egypt and Rome.
  • Other non-standard units include fingers, hand span, palm, cubit, foot span, and pace.

The Imperial System

  • Standardized in Great Britain in 1824, the Imperial System was used in Canada until 1970.
  • Currently, main users include the USA, Liberia, and Myanmar.
  • Lacks a consistent unit conversion method.
  • Still used for construction, height, and recipes.
  • Inch: Roughly the length from the thumb knuckle to the thumb tip.
  • Foot: Defined as the heel to toe length of a 6ft person.
  • Yard: The length from one's nose to knuckles, equivalent to 3 feet.
  • Mile: Approximately 1000 paces in length.

The Metric System

  • Canada transitioned to the Metric System in 1970.
  • Features consistent, base-10 conversions.
  • Meter: Comes from the Greek word for measure.
  • Millimeter (mm): About the thickness of a toonie.
  • Centimeter (cm): Roughly the width of a pinky finger.
  • Meter (m): Approximately from the floor to a doorknob.
  • Kilometer (km): Used for longer distances.

Why the Metric System Matters

  • Details are available in the video "Why the Metric System Matters"(5:07)

Converting Units of Measurement

  • Converting units in the metric system can be done by moving a decimal point.
  • Conversions: Kilo, Hecto, Deca, Unit, Deci, Centi, Milli.
  • Use "King-Henry Died Unexpectedly Drinking Chocolate Milk" to remember the order.

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Description

Explore measurement conversions focusing on non-standard and Imperial units. Learn how units like cubits, feet, and yards were historically derived and standardized. Understand the applications and limitations of the Imperial system.

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