Mathematics (2019) Grade(s): 2

MA19.2.11

Use a variety of strategies to add up to four two-digit numbers.

Unpacked Content

Knowledge

Students know:
  • to use place value strategies to add up tp four 2-digit numbers and justify their thinking.

Skills

Students are able to:
  • strategically choose and then record methods for efficiently and accurately solving addition problems with multiple addends.

Understanding

Students understand that:
  • choosing efficient strategies for finding sums of multiple addends depends on the numbers in the problem.

Vocabulary

  • Properties of operations
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