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DETERMINING UNITS OF MEASUREMENTS



Unit Overview

In this unit you, will be choosing the correct tool to construct, measure, weigh and calculate. Both customary and metric units will be used. 
We can measure many different things, but mostly we measure
Length, Area, Volume, Mass, and Time.


Measure the Length

The chart below shows the customary units of length.


When completing the questions section, you may refer to the chart for reference.  It would be wise to memorize this chart because you will use measurement for the rest of your life.

An inch is the standard unit used to measure length.  When measuring with a ruler, line up the end of the ruler with the end of the object you are measuring.

Click on the link to watch the video "U.S. customary units:  distance".


 



The chart below shows the metric units of length.



Click on the link to watch the video "Metric system:  units of distance".


 



Measure the Weight

The charts below shows the customary units of weight. 



Click on the link to watch the video "U.S. customary units of weight".


Student Practice

  Liquid Measure Table Worksheet
   
  Liquid Measure Worksheet

 


 

Click on the link to watch the video "Choose pounds or ounces to measure weight".




The charts below shows the metric units of weight. 



Click on the link to watch the video "Metric system:  units of weight".


 

Measure of Capacity


The charts below shows the customary units of capacity.


Click on the link to watch the video "U.S. customary units:  fluid volume".


 


The charts below shows the metric units of capacity.



Click on the link to watch the video "Metric system:  units of volume".


 

 



Which Should I Use?
Inch Ruler


Centimeter Ruler


Examples:

  
   
Marcy wants to measure the size of her foot.  Which unit would she use? 
Answer:  She would use the inch ruler.  Her foot measured 10 inches.
   
Joe wants to measure the distance from his house to school.  Which unit do you think he should use? 
Answer:  He would measure using kilometers.  His distance measured 2 kilometers.
   
Stacy wants to measure the length of her cat.  Which unit should she use to measure her cat? 
Answer:  She would measure using centimeters.  Her cat measured 40 centimeters.
   
Greg wants to measure his baseball bat.  Which unit do you think he should use? 
Answer:  He would use the meter stick.  His bat measured 1 meter.
   
Kelsie wanted to weigh a bag of candy.  Which unit should she use? 
   
Answer:  Kelsie should weigh the candy in ounces.  Her candy weighed 8 ounces.
   
Andrew wanted to measure some flour for the recipe.  Which unit should he use? 
Answer:  Andrew should measure the flour in cups.  He measured 2 cups.

Student Practice

  Reading a Tape Measure Worksheet
   
  Reading a Decimal Ruler Worksheet
   
  Reading a Metric Ruler Worksheet