7.4.e MA.7.3.3

Convert Measurements 7th Grade

Texas Essential Knowledge and Skills (TEKS): 7.4.e
convert between measurement systems, including the use of proportions and the use of unit rates.
Florida - Benchmarks for Excellent Student Thinking: MA.7.3.3
Solve mathematical and real-world problems involving the conversion of units across different measurement systems

One way to convert between measurement systems
(customary and metric) is to use a proportion.

Another way to convert between systems is to multiply (from a larger unit to
a smaller unit) or divide (from a smaller unit to a larger unit) by a unit rate.

\begin{array}{rcl} \frac{1 m}{39.37 in.} & = & \frac{x}{75 in.} \\ (1 m)(75 in.) & = & (39.37 in.)(x) \\ \frac{(1 m)(75 in.)}{39.37 in.} & = & x \\ 1.905 m & = & x \end{array}

75 in. \div \frac{39.37 in.}{1 m} = 1.905 m

Convert Measurements

Texas Essential Knowledge and Skills (TEKS): 7.4.e

convert between measurement systems, including the use of proportions and the use of unit rates.

Florida - Benchmarks for Excellent Student Thinking: MA.7.3.3

Solve mathematical and real-world problems involving the conversion of units across different measurement systems

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