Mathematics (2019) Grade(s): 3

MA19.3.11

Use various strategies to add and subtract fluently within 1000.

Unpacked Content

Knowledge

Students know:
  • The relationship between addition and subtraction operations.
  • How conceptual models support and give understanding to procedures for addition and subtraction.

Skills

Students are able to:
  • Use a variety of strategies to solve addition and subtraction problems within 1000.

Understanding

Students understand that:
  • Strategies for addition and subtraction will vary depending on the problem.
  • Strategies can include place value, properties of operations, and the relationship between addition and subtraction.

Vocabulary

  • Fluently
  • Sum
  • Difference
  • Place value
  • Strategy
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