MA19.A2.3

Mathematics (2019) Grade(s): 09-12 - Algebra II with Statistics

MA19.A2.3

Multiply matrices by scalars to produce new matrices.

Unpacked Content

Knowledge

Students know:

  • The aspects of a matrix with regard to entries, rows, columns, dimensions, elements, and subscript notations.

Skills

Students are able to:

  • Write percents as decimals.
  • Increase or decrease an amount by multiplying by a percent (i.e., increase of 10% would multiply by 1.1).

Understanding

Students understand:

  • Multiplying a matrix by a scalar affects every element in the matrix equally.
  • Scalar multiplication is a tool that allows all elements of a matrix to be changed in a simple manner.

Vocabulary

  • Scalars
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