Mathematics (2019) Grade(s): 1

MA19.1.18

Determine the length of an object using non-standard units with no gaps or overlaps, expressing the length of the object with a whole number.

Unpacked Content

Knowledge

Students know:
  • how to solve for addition by using strategies and understanding the relationship between addition and subtraction.

Skills

Students are able to:
  • efficiently apply strategies for solving multiple addend problems.
  • Use symbols to represent unknown quantities in equations.
  • Accurately compute sums.

Understanding

Students understand that:
  • more than two quantities can be combined in a problem.

Vocabulary

  • Concrete objects
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