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Make sense of problems and persevere in solving them.
This expectation represents major work of the grade.
How might you rewrite 38 + 47 + 93 + 62 to make it easier to solve? How do you know it is OK to rewrite it?
In Grade 2, this expectation connects with representing and solving problems involving addition and subtraction and fluently adding and subtracting within 20.
In Grade 3, students use place value understanding and properties of operations to perform multi-digit arithmetic, including fluently adding and subtracting within 1000.