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Topic: Units of measurement 

Mathematics

 Standard 4.  Understands and applies basic and advanced properties of the concepts of measurement
  Level I (Grade K-2)
   Benchmark 3.Knows processes for telling time, counting money, and measuring length, weight, and temperature, using basic standard and non-standard units
    Knowledge/skill statements
     1.Measures weight using standard units
     2.Measures temperature using standard units
     3. Measures time using standard units
     4.Measures width using standard units
     5.Measures height using standard units
     6. Measures length using standard units
     7.Understands the concept of elapsed time
     8. Measures elapsed time
     9.Measures weight using non-standard units
     10.Measures temperature using non-standard units
     11.Measures time using non-standard units
     12.Measures width using non-standard units
     13.Measures height using non-standard units
     14.Measures length using non-standard units
     15.Counts money
  Level II (Grade 3-5)
   Benchmark 3.Knows approximate size of basic standard units (e.g., centimeters, feet, grams) and relationships between them (e.g., between inches and feet)
    Knowledge/skill statements
     1. Knows the approximate size of a centimeter
     2. Knows the approximate size of a meter
     3. Knows the approximate size of an inch
     4. Knows the approximate size of a foot
     5. Knows the approximate weight of an ounce
     6. Knows the approximate weight of a pound
     7. Knows the approximate weight of a gram
     8. Knows the approximate weight of a kilogram
     9. Knows the relationship between an inch and a foot
     10. Knows the relationship between a centimeter and a meter
     11. Knows the relationship between an ounce and a pound
     12. Knows the relationship between a gram and a kilogram
   Benchmark 7.Selects and uses appropriate units of measurement, according to type and size of unit
    Knowledge/skill statements
     1.Selects measurement units based on the size of measure needed
     2.Knows that certain measurement tools are used for certain sizes of measurement
     3.Selects measurement units based on the type of measure needed
  Level III (Grade 6-8)
   Benchmark 3.Understands the relationships among linear dimensions, area, and volume and the corresponding uses of units, square units, and cubic units of measure
    Knowledge/skill statements
     1.Understands the concept of a square unit
     2.Understands the use of square units in measuring area
     3.Understands the concept of a cubic unit
     4.Understands use of cubic units in measuring volume
     5.Understands relationships between length, width, height and volume
     6.Understands relationships between length, width, and area
   Benchmark 4.Solves problems involving units of measurement and converts answers to a larger or smaller unit within the same system (i.e., standard or metric)
    Knowledge/skill statements
     1.Converts from larger to smaller units in the metric system
     2.Converts from smaller to larger units in the metric system
     3.Converts from smaller to larger units in the standard system
     4.Converts from larger to smaller units in the standard system
   Benchmark 5.Understands the concepts of precision and significant digits as they relate to measurement (e.g., how units indicate precision)
    Knowledge/skill statements
     1.Understands the concept of significant digits as it relates to measurement
     2.Understands the concept of precision as it relates to measurement
     3.Understands how units indicate precision
   Benchmark 6.Selects and uses appropriate units and tools, depending on degree of accuracy required, to find measurements for real-world problems
    Knowledge/skill statements
     1.Selects an appropriate measurement tool based on needed accuracy
     2.Selects an appropriate measurement unit based on needed accuracy
  Level IV (Grade 9-12)
   Benchmark 5.Uses unit analysis to solve problems involving measurement and unit conversion (e.g., between metric and U.S. customary systems, foreign currency conversions)
    Knowledge/skill statements
     1.Understands the concept of unit analysis
     2.Uses unit analysis to solve measurement problems
     3.Uses unit analysis to solve unit conversion problems
     4.Uses unit analysis to solve foreign currency conversion problems
     5.Uses unit analysis to solve conversion problems between metric and U.S. customary systems