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Topic: Measurement estimation 

Mathematics

 Standard 4.  Understands and applies basic and advanced properties of the concepts of measurement
  Level I (Grade K-2)
   Benchmark 4.Makes quantitative estimates of familiar linear dimensions, weights, and time intervals and checks them against measurements
    Knowledge/skill statements
     1.Estimates length
     2.Estimates temperature
     3.Estimates height
     4.Estimates width
     5.Estimates time intervals
     6.Estimates weight
  Level II (Grade 3-5)
   Benchmark 6.Uses specific strategies to estimate quantities and measurements (e.g., estimating the whole by estimating the parts)
    Knowledge/skill statements
     1.Estimates measurement of whole by estimating parts
     2.Uses specific strategies to estimate quantities
     3. Uses specific strategies to estimate measurements
  Level III (Grade 6-8)
   Benchmark 8.Selects and uses appropriate estimation techniques (e.g., overestimate, underestimate, range of estimates) to solve real-world problems
    Knowledge/skill statements
     1.Uses a range of estimations effectively
     2.Understands concept of overestimation
     3.Uses overestimation effectively
     4.Determines whether a problem can be solved by using a range of estimations
     5.Determines whether a problem can be solved by using overestimation
     6.Understands the concept of underestimation
     7.Uses underestimation effectively
     8.Determines whether a problem can be solved by using underestimation
     9.Understands the concept of estimation for measurements
   Benchmark 9.Understands procedures for basic indirect measurements (e.g., using grids to estimate area of irregular figures)
    Knowledge/skill statements
     1.Understands the concept of indirect measurement
     2.Understands the concept of grids
     3.Uses grids to estimate area