Mathematics (2019) Grade(s): 2

MA19.2.3

Use concrete objects to determine whether a group of up to 20 objects is even or odd.

Unpacked Content

Knowledge

Students know:
  • how to make equal groups and determine if that group has an odd or even amount of objects.

Skills

Students are able to:
  • use strategies to determine whether numbers are odd or even.
  • communicate reasoning for a label of odd or even.

Understanding

Students understand that:
  • numbers are classified as odd or even based on their characteristics.
  • the term even describes numbers that can be divided into groups of 2 with no leftovers.
  • the term odd describes numbers that when divided into groups of 2 will have one item leftover.

Vocabulary

  • Concrete objects
  • Equation
  • Equal addends
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