MA19.7.5

Mathematics (2019) Grade(s): 7

MA19.7.5

Solve real-world and mathematical problems involving the four operations of rational numbers, including complex fractions. Apply properties of operations as strategies where applicable.

Unpacked Content

Knowledge

Students know:
  • how to model real-world problems to include situations involving elevation, temperature changes, debits and credits, and proportional relationships with negative rates of change.
  • how to evaluate numerical expressions with greater fluency, using the properties of operations when necessary.

Skills

Students are able to:
  • Solve real-world and mathematical problems involving the four operations with rational numbers.

Understanding

Students understand that:
  • rational numbers can represent values in real-world situations.
  • properties of operations learned with whole numbers in elementary apply to rational numbers.

Vocabulary

  • Rational numbers
  • Complex fractions
  • properties of operations
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